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Data Analysis, Statistics, and Probability Videos 36 videos

TSI Math: Reading a Graph to Calculate Moolah Saved
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Per month, how much more money does Rose save than Olive?

TSI Math: Understanding Mean, Median, Mode, and Range
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All of the following statistical measures of the data above have the same value EXCEPT for

TSI Math: Reading a Circle Graph to Identify Pizza Percentages
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500 customers had pizza. What is the minimum number of slices that Lettuce Stuff You could have served yesterday?

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TSI Math: Understanding Mean, Median, Mode, and Range 77 Views


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Description:

All of the following statistical measures of the data above have the same value EXCEPT for


Transcript

00:02

Okay sy math people Here we go Another one for

00:04

you on this graph with all the funky lawn mowing

00:07

money thing on it All right all the following statistical

00:09

measures of the data have the same value except what

00:18

Mmm Are luckily this question isn't his painful as an

00:22

mmr booster shot ever had one of those yet you're

00:24

bruised for a week Alright to analyze the data from

00:27

the bar graph Well first write it in ascending order

00:30

So we got our slacker shane here which were start

00:33

but it's like fifty sixty eighty ninety nine one hundred

00:36

one hundred ten twenty and forty that's it's everyone Well

00:38

the median of the data is the middle number while

00:41

we have ten data points so there isn't a single

00:43

middle number there too and the median is the average

00:46

of these two middle number's Luckily both middle number's air

00:49

ninety So the median is ninety Yeah that was anti

00:52

climactic Well the mean of the data is the average

00:55

which we calculate by adding everything up and then dividing

00:58

by the number of data points So we add all

01:00

these Numbers up then divide by 10 and we get

01:01

an average of ninety for right nine forty over ten

01:04

Well the media doesn't mean i don't have the same

01:06

value So one of these two is the exception will

01:09

calculate the mode and see if it's ninety or ninety

01:12

For whichever one it's not while that's the winner or

01:14

loser the mode of the data is the value that

01:17

repeats most frequently well ninety appears three times more than

01:21

any other value so the mode is ninety The media

01:24

in the mod have the same value so the exception

01:27

is the mean We also see that the range of

01:29

difference between largest and smalls values is also magically ninety

01:33

which seals the deal So the answer is b mean 00:01:36.74 --> [endTime] we are shmoop

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