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REAL Excel Interview Tests for Business & Finance Roles - YouTube
Channel: Kenji Explains
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what's up everyone it's kenji here and today we'll聽
go over some of the most common excel interview聽聽
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tests that i've encountered both recruiting for聽
finance roles as well as more business oriented聽聽
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roles especially in big tech and here's some聽
general guidelines about them these tests are聽聽
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often time constrained at around 30 minutes so聽
you don't really have time to be typing things聽聽
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manually also they're very result oriented so they聽
won't really ask for things like the syntax of a聽聽
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formula or which tab can you find a certain tool聽
in instead it's up to you to figure out what tools聽聽
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work best to reach the desired output and these聽
excel tests can be split into two main categories聽聽
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on the one hand you have formulas where you might聽
need to include some ifs index matches or lookups聽聽
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while the other one has to do with data cleaning聽
where you might need to use some text functions聽聽
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you might need some numbers formatting text聽
columns other things like that to clean up a聽聽
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data set in this video we'll look at case studies聽
of both so let's get into it and you can download聽聽
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the file i'll be working with for free in the聽
description so here's the document with the excel聽聽
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test and it's got two different tabs one going聽
over formulas and the other one to do with the聽聽
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data cleaning side so just general guidelines it聽
says to fill in these light blue areas over here聽聽
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and the instructions are that we need to use two聽
different formulas to find the net income in new聽聽
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york for the period between january and may and聽
it's quite common where they don't actually tell聽聽
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you what formula to use instead it's up to you to聽
try to figure that out and there's generally more聽聽
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than two right answers like they ask for here聽
so there should be plenty of room for you to聽聽
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try different ones basically we want the formula聽
that's going to say that if it's currently january聽聽
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and if it's in new york then we want to get the聽
net income for that and so we'll go equals some聽聽
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ifs that's the first one we'll be using you can聽
see the instructions on what it does over here聽聽
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press the top key the sum range is essentially聽
what we want as the output so it's the net income聽聽
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for us that we're interested in we'll go ahead聽
and select it here press the ctrl shift down arrow聽聽
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and then from there you have to press the f4聽
key you'll notice that that puts in a few dollar聽聽
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signs in there and what that's saying is basically聽
that if we copy this across say all the way to may聽聽
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this thing is going to stay fixated at net聽
income and it's not going to move across聽聽
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so that's what we want press the comma key the聽
criteria range the first one let's say that's the聽聽
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month and so we want the period to be within this聽
range over here press the f4 key again press the聽聽
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comma key and we want that to be in the january聽
period you can't see right now but there it is聽聽
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selected and for this one we're not going to press聽
the f4 key because we want that to move across聽聽
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all the way to the different months聽
press the comma key the second criteria聽聽
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has to do with the state so this is this聽
area over here ctrl shift down arrow聽聽
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press the f4 key comma and then we want the聽
criteria itself to be the state of new york聽聽
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we'll press the f4 because we don't really want聽
to have it move when we copy it across then close聽聽
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the brackets and press enter from there we can聽
just go ahead and drag that and paste it across聽聽
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that should be working for us to double check you聽
can get into this last one press the f2 key now聽聽
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you can see that it's selecting this this over聽
here this month of may and same thing over here聽聽
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and so on so that's looking good now we need聽
to find a different way to do this as well聽聽
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the second formula that comes to mind is an index聽
match and it's actually a combination of two聽聽
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different formulas one is an index and the other聽
one is a match and essentially it's gonna let us聽聽
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select something horizontally and something聽
vertically which is essentially what we want聽聽
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so it's actually quite similar to the sumifs so聽
we'll go equals index press the tab key and for聽聽
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this this is the actual output that we want which聽
is the net income over here a bit like the sumifs聽聽
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earlier press the f4 key to lock it comma now聽
we want the row number and that's where we will聽聽
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would put the first match which is going to be聽
the horizontal one and the second one for the聽聽
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vertical side so top press the match key press聽
the tab there the local value is the january聽聽
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which is what we're looking for right now press聽
the comma key and the log up array is the whole聽聽
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area over here which is a whole period press聽
the f4 key comma and the match type we want it聽聽
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to be an exact match in this case so put the zero聽
close the brackets press the comma again and now聽聽
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it's asking for the columns so for columns we want聽
new york so we'll go match again press the tab key聽聽
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the local value is going to be new york comma the聽
lockup array is going to be the whole state area聽聽
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press the f4 key to lock it and again in this one聽
i just forgot here but we need to lock this side聽聽
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over here as well so i'll press the f4 key select聽
it all and then press the f4 and then lastly we聽聽
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want it to be an exact match so we'll put a zero聽
close the brackets and then close the brackets聽聽
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again for the index match press enter and now if聽
we've done this correctly it should give us the聽聽
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same numbers as above that's a way for us to check聽
and that is the case so it's all looking good聽聽
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moving on to the second question in this sheet聽
press the control down arrow to get to the bottom聽聽
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here and here's the instructions it says to create聽
a drop down list by month that's the first step聽聽
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and secondly to link the net income in new york聽
to the drop down list by month so what i think聽聽
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this is saying is that hey if we select a certain聽
amount we want the net income to move dynamically聽聽
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with it so if we have february here we want to see聽
the net income for february now firstly go ahead聽聽
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let's go ahead and do the drop down list and for聽
that what comes to mind is a data validation so聽聽
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for that we'll go under the data tab and then in聽
data validation which is this tick thing over here聽聽
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click on it and we want to do a list essentially聽
that's going to show us all of the months and the聽聽
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source here we'll go ahead and select it which is聽
basically all of these months that we have up here聽聽
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and then we'll close that press the ok key and聽
now if we scroll down to the bottom here we should聽聽
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have a drop down list and i think that's currently聽
the case where we can select a different month聽聽
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so let's say we leave it at a march here and聽
now the second part to be honest it isn't all聽聽
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that clear on this question and that's sometimes聽
the case where you need to interpret things a bit聽聽
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yourself but i think what it's assuming is that聽
hey if we have a certain amount we want to find聽聽
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the net income so it would be good to do some聽
sort of a lookup lookup function we'll go equals聽聽
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type x lookup and here it's going to show you聽
the instructions of what it does so basically聽聽
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what it's going to do is if we select the month of聽
march then it's going to look for that net income聽聽
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in that period so we'll go ahead and press the聽
tab key to select it the local value like we said聽聽
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is the current period comma the lookup array is聽
the range where it's going to be looking for it聽聽
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and so we want to look for it up over here press a聽
comma key and then it's asking for a return array聽聽
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so that's basically what is the return what is聽
it that you want so in our case we want the net聽聽
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income right so we'll go ahead and select聽
that it doesn't really matter if we select聽聽
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it from this first first row or the second row聽
as they're all the same numbers so we'll just聽聽
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select the first one and then press enter and聽
from there in the period of march it says the聽聽
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net income is 59 000. so let's go ahead and see聽
if that's currently the case and it is indeed聽聽
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and now we can dynamically change聽
this so if we change that to january聽聽
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then it moves all the way to 79 76 6 000 sorry聽
as that is the case here so it's looking good聽聽
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moving on to the second section of the excel test聽
and over here we've got the data cleaning exercise聽聽
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so the instructions here say that we need to聽
clean up this data set and create a table with聽聽
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the first name the last name the phone number聽
and the state so here's the raw data and from聽聽
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what you can see obviously it's looking quite聽
wrong it's not looking too great there's a lot聽聽
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of uppercase layers where there probably shouldn't聽
be there's also some spacings here some things are聽聽
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involved some things are italicized as well those聽
are things that we want to try to remove ideally聽聽
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using formulas so i think the first formula that聽
we can use here is the trim which i'll just type聽聽
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over here the idea is that this is going to聽
remove all of the spacings between the words聽聽
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and it's only going to leave one space so equals聽
trim you can see the instructions of it over here聽聽
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press the top key and just select it it's that聽
simple and then we just drag that down and there聽聽
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you go now it's looking somewhat cleaner the聽
second one that we can use is known as the proper聽聽
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and what this does ctrl b to bolden it and聽
what this does is it's gonna only put the upper聽聽
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case on on the first letter of a word so for some聽
for example it would be just the s smith only the聽聽
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s as well so we'll go equals proper press the聽
top key and we'll select this over here then聽聽
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we can just drag that across now that's looking a聽
lot better as you can see over here it's looking聽聽
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much more clean one thing that i think is聽
important to mention here is that you can聽聽
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actually merge both the trim and the proper聽
function and put them all into one if you聽聽
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ever wanted to so for example i can go here聽
under equals then i can do trim press the top聽聽
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key and instead of selecting the text i'll just聽
put the proper inside it and then we select the聽聽
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text which is this one over here and then we need聽
to close the brackets press yes and that's going聽聽
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to show you the exact same thing over here press聽
the delete key to get that out also let's space聽聽
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this out a bit more so for this one here press聽
the alt hoi that's going to open it up for us聽聽
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and now it says over here up top that we need聽
to create a table with this so the first name聽聽
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the last name phone number and state so basically聽
we need to try to categorize these we can actually聽聽
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go one by one and just try to copy and paste them聽
which is obviously quite a bit tedious right you聽聽
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could select this then copy it and paste it first聽
let's go and paste this as values so control c聽聽
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and then over here you can press the alt h v聽
which is a shortcut for that so what i'm saying聽聽
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is we could go say select sum and then ctrl c and聽
paste some say over here and then the next guy and聽聽
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so on which is quite a bit tedious so press the聽
delete key we're not going to go through that聽聽
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and instead what we can use is the text to columns聽
feature which is basically going to allow us to聽聽
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categorize everything by a certain requirement聽
so for example if it has a space then it's gonna聽聽
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break it down by that so we'll go ahead聽
and select this area ctrl shift down arrow聽聽
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and then the shortcut here is the alt a e so it聽
just took us over here to the text of columns and聽聽
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delimited is fine press next here and now the聽
delimiter here is basically what's what's the聽聽
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breakdown so we want it to be split into spaces so聽
that's what you want to take over here so you can聽聽
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see the data preview here where everywhere where聽
there's a space it's going to go into a new column聽聽
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press next and then over in destination this聽
is basically where the output is going to be聽聽
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i know destination sounds a bit fancy just聽
where it's going to be on the data set so聽聽
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let's go ahead and select the range and聽
say we want to put it over by the h here聽聽
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and then finish and now you can see that it's been聽
outputted as split column so once just the first聽聽
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name last name so let's go ahead and categorize聽
them so first last and then here we want the phone聽聽
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and then the state now that's looking a bit more聽
like it another thing that we should do here is聽聽
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that the phone numbers you can see that typically聽
they have dashes between them so every three聽聽
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numbers you might have a dash so let's try it and聽
do that ctrl shift down arrow and then we'll press聽聽
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the ctrl 1 key that's going to help us reformat聽
the numbers from there we'll go under the custom聽聽
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over here which is going to let us customize聽
it and what we want to put is this number sign聽聽
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and we want to put it three times then after we聽
want to put the dash three more times and then聽聽
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three more times there so the numbers are gonna聽
essentially look like an actual phone number press聽聽
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the ok key then you can see here that you can聽
actually see them so press the alt hoi which is聽聽
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going to reformat things so they look a bit more聽
spaced out now that's looking slightly more like聽聽
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it that being said because this is all us numbers聽
we could actually just put a plus one and then put聽聽
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brackets between the first three numbers so we'll聽
go ahead and select them again ctrl shift down聽聽
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arrow ctrl one again and under custom at the very聽
beginning here we're just gonna put a plus one聽聽
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and then we'll put a space and then we'll start聽
putting the um parenthesis at the start and the聽聽
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end of the first three values press the ok key聽
and now that's actually looking a lot more like it聽聽
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lastly for the states here we could actually聽
make them uppercase mainly because well states聽聽
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are usually both letters in uppercase so we'll聽
go equals upper press the top key and that's聽聽
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just gonna put everything in uppercase we'll聽
select it and then just drag that down over here聽聽
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then we're gonna paste it as values so for that聽
ctrl c and then alt h v v and this way we can just聽聽
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drag that across so control x and then ctrl v聽
and now that's looking a lot more like it let's聽聽
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finally reformat this a bit so it looks a bit聽
fancier so ctrl b and we can also change the fill聽聽
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color so alt h h and from there we'll select say聽
a dark blue like so and then alt h fc that's gonna聽聽
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change the colors and we put the white over here聽
so we can see it a lot better uh one final thing聽聽
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maybe for the state we can actually align that to聽
the center so we'll go alt h ac and there you go聽聽
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now we clean this data set from looking like this聽
as it was before all the way to this over here聽聽
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which i think looks a little more professional聽
hopefully that would be enough for you to pass the聽聽
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excel interview and if you're liking this video聽
you can also check out our excel for business聽聽
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and finance course where we teach everything we聽
know about excel specifically for people either聽聽
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looking to break into a business or a finance聽
role or those in it trying to level up their聽聽
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excel game as well as going over the fundamentals聽
of formulas formatting and charts we also go over聽聽
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case studies that replicate the type of work you聽
might be assigned in your day to day ranging from聽聽
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financial modeling to cleaning a complex data set聽
and more so if you're interested in checking it聽聽
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out i'll leave it in the description below if聽
you want to see more videos on excel you can聽聽
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check out this one over here on forecasting聽
or this other one over here on excel visuals聽聽
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hit that like hit that subscribe down below if聽
you liked it and i'll catch you in the next one
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