AP Statistics 3.2 Exploring Data

AP Statistics 3.2 Exploring Data. The shape of the dot plot would be most similar to that of the what?

APAP Statistics
AP StatisticsExploring Data
LanguageEnglish Language
Test PrepAP Statistics

Transcript

00:27

about dot plot which is not where we bury our theater candy after its died

00:32

really we're just being tested to see if we know what one of these things look [A dot plot with a question mark]

00:36

like in action although we also need to know what these other things look like

00:40

because well we need to track down it's twin and without going on ancestry.com [man on a computer looking on ancestry.com]

00:45

that'd be cheating. The dot plot is you might guess if you didn't already know

00:48

it's made up of dots, but don't get it confused with a scatter plot a dot plot [A dot plot below a scatter plot]

00:54

displays graphical data like this where a series of results are presented in

00:58

random order in that they aren't sorted from high to low or from low to high so

01:03

great we can cross off scatter plot, oh wasn't one of the choices, aint that a kick [Girl draws a line through scatter plot and is kicked away]

01:08

in the pants. Well alright what are other choices well first up is cumulative

01:12

frequency histogram which is one of these babies it's sort of resembles a

01:17

dot plot except as a value shown in a cumulative frequency histogram will [A frequency histogram plot]

01:21

always increase from left to right so the histogram is history! What about

01:26

B pie chart. A dot plot has about as much in common with a pie chart [Man in the shower fully clothed]

01:31

as our singing voice has with Beyonce's to be fair, our shower has really...

01:36

all right then there's C stem and leaf plot, the word plot is in there but

01:42

that's where the similarities end here we have rows instead of column values [A row on a stem and leaf plot circled]

01:47

instead of dots, so nah we can leave C alone. Our graph does look a bit

01:52

like a bar graph but bar graphs are used more for showing categorical data like [A bar graph example]

01:58

the names of U.S. Presidents and the number of assassination attempts each had [Lincoln sat in a chair]

02:02

Yeah, that's a grim example, sorry but with a frequency histogram not the cumulative

02:08

kind you're looking at continuous data where you can have all kinds of random

02:12

data points that don't necessarily fit into distinct categories. So D

02:16

is our answer which reminds us of the D we got on our science project who knew [Boy holding up a piece of paper with a grade D]

02:21

dropping potassium in water would be so er, explosive oh you all knew that [Boy drops potassium in water and flames appear]

02:27

where were you when we needed you