Comparing Data Sets — Quiz

Question 1

What is the difference of the medians?

Revolt · Accepted Answer

2

Question 2

The box plots show the data distributions for the number of customers who used a coupon each hour during a two-day sale. Expand Image Which measure of variability can be compared using the box plots?

Revolt · Accepted Answer

interquartile range

Question 3

Two histograms showing the number of pets owned by students in two classes are each skewed left. Which measure of variability should be used to describe the data?

Revolt · Accepted Answer

interquartile range

Question 4

What is true about the variability of the prices of socks in kid sizes or adult sizes?

Revolt · Accepted Answer

There is more variability in the prices of kid socks because they have a greater range.

Question 5

Which statement is true about the measures of center of the practice times?

Revolt · Accepted Answer

Maggie’s daily time at swim practice tends to be greater than her time at band practice.

Question 6

Which comparison of the distributions is true?

Revolt · Accepted Answer

The distribution of sophomores’ scores is right-skewed, and the distribution of juniors’ scores is left-skewed.

Question 7

Which statement is true about the variability of the distributions?

Revolt · Accepted Answer

The range of the speeds after the course is smaller than the range of the speeds before the course.

Comparing Data Sets — Quiz Answers

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