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AP Statistics Videos 40 videos

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AP Statistics 5.2 Exploring Data. Which method would not be a good option?

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AP Statistics 1.2 Exploring Data 219 Views


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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?

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English Language

Transcript

00:00

Thank you We sneak shmoop be with it Yes We

00:06

would like to display the data we collected in a

00:07

survey that asked students what their favorite soft drink was

00:10

out of the following choices coke pepsi sprite and seven

00:14

up Which of the following is the best way to

00:17

display this type of data And here the potential answers

00:21

Klaus wavering All right so we've collected a bunch of

00:25

data about soda preferences and we want to display it

00:29

So we'll be collecting the number of students who prefer

00:32

east soda So let's start by making up a few

00:35

numbers Since we love diet coke Here it come up

00:38

Let's do fifty four for coke forty nine for pepsi

00:41

thirty nine for sprite and twenty four seven up Now

00:44

let's determine the best plot to use well trust is

00:47

a stem and leaf plot Stemming Leave Plots are good

00:50

for displaying data for one category and many numbers But

00:54

we have four different categories of soda and only one

00:57

number per category So stem and leaf plot's really don't

01:00

work for us Our next choice is accumulative frequency hissed

01:03

a gram which is a graph that displays the running

01:06

Total of the frequencies for a specific category They we

01:10

wanted to display something like mass scores and how students

01:13

perform for different ranges of math scores accumulative frequency history

01:17

Graham would show these frequencies in a cumulative fashion which

01:20

means that instead of showing the individual frequencies they'll just

01:24

keep a running total of the frequencies so that the

01:26

bars increases You go to the right notice that this

01:28

works on lee for a specific category broken up into

01:31

more buckets Well we can't do that with the soda

01:34

data we collected We don't have that much numerical data

01:37

per soda type So accumulative frequency history crammed It really

01:40

doesn't work Alright Looking at choice senior a basic hissed

01:43

a gram Well any history ram displays on ly numeric

01:46

data there's no room for us to show the different

01:49

types of soda that rules out See he is a

01:52

bar graph A bar graph has different categories on one

01:56

axis and a new miracle value about those categories on

01:59

the other acts That's Exactly what we want we could

02:02

put up soda types is the category then show the

02:04

number of students who preferred the soda on the axis

02:10

All right our last choice is e dot plot dot

02:13

plots or similar to bar graphs and that they have

02:15

categories on one axis and the number of dots above

02:17

that category denotes the numerical data However counting dots would

02:21

become very difficult if many students were interviewed So d 00:02:25.33 --> [endTime] a bar graph is the best choice

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