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Data Analysis, Statistics, and Probability Videos 36 videos

TSI Math: Reading a Graph to Calculate Moolah Saved
42 Views

Per month, how much more money does Rose save than Olive?

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

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: Finding the Interquartile Range of a Number Set 18 Views


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Description:

Find the interquartile range of this set of numbers: 92, 34, 15, 101, 113, 78, and 65.


Transcript

00:02

Okay yes i mash bumpers next up Find the inter

00:05

quart tile range of this set of numbers right here

00:14

We need some inter cort el range action in this

00:16

problem We're on such good terms with it that definitely

00:19

we can call it by its nickname the q r

00:22

why just last week we were over at icardi's house

00:25

Binge watching some stats lectures good times good times Not

00:28

really right Looking closely at the name here in turf

00:31

means between doesn't mean to put you in a grave

00:34

that's inter that's different quarter mile means a well core

00:37

tiles one and three and range means distance between So

00:42

we need the distance between the first and third quarter

00:44

mile and this would be a lot easier if we

00:46

knew the first and third corps tiles Luckily we confined

00:48

him We need to order the data find the median

00:51

and then the median of the two halves of the

00:53

data on either side of the median Right So here's

00:56

the data right there were ordered from least two Greatest

00:58

The median is the seventy eight there in the middle

01:01

The middle of the lower half is a thirty for

01:04

in the middle The upper half is one a one

01:06

Well subtracting thirty four from one one gives us an

01:09

i q r of sixty seven and a man we

01:11

had no idea it was so old It doesn't look

01:14

a day over forty It just like you are secretly

01:17

been working for shmoop and that's What it does it

01:20

ages you so yeah anyway the answer is a sixty 00:01:22.706 --> [endTime] seven

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