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Exploring Data Videos 25 videos
AP Statistics: Exploring Data Drill 2, Problem 3. Which set of points, if put in a scatterplot, would show us a positive correlation?
AP Statistics: Exploring Data Drill 1, Problem 2. Which of the following is the best way to display this type of data?
AP Statistics: Exploring Data Drill 1, Problem 5. Which pieces of information would we need to create this graph?
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?
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
Full Transcript
- 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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