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AP Statistics Videos 32 videos

AP Statistics 3.1 Statistical Inference
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AP Statistics 3.1 Statistical Inference. Based on the numbers given, which of the following statements is true?

AP Statistics 1.2 Exploring Data
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AP Statistics: Exploring Data Drill 1, Problem 2. Which of the following is the best way to display this type of data?

AP Statistics 1.5 Exploring Data
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AP Statistics: Exploring Data Drill 1, Problem 5. Which pieces of information would we need to create this graph?

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AP Statistics 5.1 Exploring Data 37 Views


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AP Statistics 5.1 Exploring Data. What does this information tell us about the data?

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Transcript

00:04

And here's your shmoop du' jour brought to you by the state of

00:06

Maine. Where every street is a maine street..we drew two box plots to compare [Car appears and beeps on main street]

00:13

the amount of time spent outdoors in the summer for high school students in Maine

00:16

versus high school students in florida. The box for Maine is fairly small but the width for

00:21

Florida is quite large about double the size of Maine's box.. What is this

00:25

information tell us about the data and here's potential answers [mumbling]

00:31

All right, let's be real Maine isn't one of the top party states, there [Tumbleweed rolls through Maine Street]

00:37

aren't a heck of a lot of fraternities that closed up shop during spring break

00:39

and hightail it to Augusta. That said summers in Maine aren't awful they're

00:44

just not as popular as Florida's but er, what is the wider box plot for Florida [Box plot for Florida students]

00:49

tell us exactly does it tell us that A students in Maine spend less time

00:53

outside than those in Florida well that may be true we can't tell for sure with [Boy with his arms up confused]

00:58

the information we've got the box plots width doesn't tell us anything about the

01:02

amount of time it's just given us an idea of the range of data although if [Lots of big data signs piled on to each other]

01:07

you're from Florida we wouldn't be surprised if you got that wrong. got [two guys on a beach in Florida]

01:10

a lot of partying to do. What about B students in Florida spend less time

01:14

outside than those in Maine certainly not case in point is the median amount

01:19

of time spent outdoors higher in Florida no clue we're not given any actual [Answer D with a big red cross through]

01:23

numbers here so there's no way to calculate for the median which by the

01:27

way is something most older Florida drivers have no problem driving over [old driver driving slow in Florida]

01:32

grandparents there.. Okay, what about E are there more outliers in the Florida data well

01:38

there might be but that's not something we know simply by being told the width [Box width of Florida students]

01:42

of its box is bigger maybe it's just moving and needs to transport it's rock [Old man transporting a rock]

01:46

collection well snap the answer here is C; there's more variation in the

01:51

amount of time spent outdoors for those in Florida than for those in Maine. That's

01:56

what the width of the box tells us that there's a larger spread in the data so

02:00

C it is. If you want to know a real party state though, check out Iowa it's [Man on a DJ set at a club]

02:05

amazing what a good time you can have in cornfield with just the right lighting [People partying with colorful lights in a cornfield]

02:09

and music

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