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UNIT 1, PART I Review Exercises 81

Related Example Relevant Review
Learning Target Section on Page(s) Exercise(s)
Describe the shape of a distribution of quantitative data. 1C 25 R6, R7
Describe the distribution of a quantitative variable. 1C 26 R6
Compare distributions of quantitative data. 1C 28 R8
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Make and interpret stemplots of quantitative data. 1C 30 R6
Make and interpret histograms of quantitative data. 1C 33 R7
Find the median of a distribution of quantitative data. 1D 49 R5
Calculate the mean of a distribution of quantitative data. 1D 51 R6
Find the range of a distribution of quantitative data. 1D 55 R9
Calculate and interpret the standard deviation of a distribution of 1D 56 R9
quantitative data.
Find the interquartile range ( IQR ) of a distribution of quantitative data. 1D 60 R7
Choose appropriate measures of center and variability to summarize a 1D 61 R9
distribution of quantitative data.
Identify outliers in a distribution of quantitative data. 1D 64 R7, R9
Make and interpret boxplots of quantitative data. 1D 66 R7
Use boxplots and summary statistics to compare distributions of 1D 68 R10
quantitative data.

UNIT 1, PART I REVIEW EXERCISES

These exercises are designed to help you review the important
concepts and skills in Part I of this unit. Twix Snickers Butterfinger
Butterfinger Snickers Snickers
R1 Who buys cars? (1A) A car dealer keeps records on
car buyers for future marketing purposes. The table 3 Musketeers Snickers Snickers
gives information on the last four buyers. Butterfinger Twix Twix
Twix Twix Twix
Buyer’s
First- distance Snickers Snickers Twix
Buyer’s Zip time from Car Model Snickers Milky Way Twix
name code buyer? dealer (mi) model year Price Twix Twix Butterfinger
P. Smith 27514 Y 13 Fiesta 2023 $34,490 Milky Way Butterfinger 3 Musketeers
K. Ewing 27510 N 10 Mustang 2021 $27,155 Milky Way Butterfinger Butterfinger
L. Shipman 27516 N 2 Fusion 2020 $23,170
(a) Summarize the data in a relative frequency table.
S. Reice 27243 Y 4 F-150 2022 $42,210
(b) Make a bar graph to display the data. Describe what you
(a) Identify the individuals in this data set. see.

(b) What variables were measured? Classify each as cate-
gorical or quantitative. R3 Popular online sites (1B) Common Sense Media
surveyed a random sample of 1306 U.S. 8- to 18-year-
R2 I want candy! (1A, 1B) Mr. Starnes bought some candy olds in 2021. One question asked on the survey was
®
for his AP Statistics class to eat on Halloween. He “If you had to pick one online site you didn’t want to
®
offered the students an assortment of Snickers , Milky live without, which would it be?” The figure shows
®
®
®
®
Way , Butterfinger , Twix , and 3 Musketeers candies. the percentage of respondents who chose YouTube,
Each student was allowed to choose one option. Here Snapchat, TikTok, and Instagram. 93
are the data on the type of candy selected:
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