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- 1. Multiple Choice
The dotplots compare the number of hours a group of teenagers spent on two activities.
Select the answer that is NOT true.
The data for exercise has a lower center than the data for video games.
Both dotplots appear to be skewed right.
Both dotplots appear to have outliers.
The time spent on video games had a greater range than the time spent on exercise.
- 2. Multiple Choice
Compare the two dotplots. Which statement is true?
Boys and girls had the same spread/range in their times.
Boys generally had longer times than girls.
The center of the boys' times is lower than the center for the girls times.
Both dotplots are skewed right.
- 3. Multiple Choice
Compare the two histograms, select the true statement.
The histogram on the left has a larger standard deviation than the histogram on the right.
The histograms appear to have roughly the same center and symmetric distributions.
The histogram on the right has a larger spread than the histogram on the left.
The IQR for the two histograms will be equal.
- 4. Multiple Choice
The back-to-back stemplot shows the heart rate of a group of people before and after exercise. Select the false statement below.
Both pulse rate stemplots are skewed right.
The pulse rates stemplot 'after exercise' has a higher center than the stemplot when resting.
The stemplot for 'resting' has a larger spread/range than 'after exercise'
Both stemplots appear to have outliers.
- 5. Multiple Choice
Which group has a larger interquartile range?
Group A
Group B
They're the same
- 6. Multiple Choice
Which group has a higher median reaction time?
Group A
Group B
They're the same
- 7. Multiple Choice
Which group contained the person with the fastest response time?
Group A
Group B
They're the same
- 8. Multiple Choice
Select the answer that is a true statement.
25% of Group A's reaction times are greater than roughly 100% of Group B's.
50% of Group A's reaction times are greater than 75% of Group B's.
75% of Group A's reaction times are greater than 50% of Group B's
- 9. Multiple Choice
What is the IQR of the Cruisers?
4
6
13
9
- 10. Multiple ChoiceWhich car club has the higher median?CruisersCar Hops
- 11. Multiple Choice
100% of the Car Hops data is greater than what percent of the Cruisers data?
25%
50%
75%
100%
- 12. Multiple Choice
50% of the Cruisers' data is lower than what percent of the Car Hops' data?
25%
50%
75%
100%
- 13. Multiple ChoiceWhich restaurant has a higher median wait time?Lucy's SteakhouseGary's GrillThey are the same
- 14. Multiple Choice
Which restaurant has a smaller IQR for wait time?
Lucy's Steakhouse
Gary's Grill
They are the same
- 15. Multiple Choice
What percent of Gary's Grill wait time is less than the median for Lucy's Steakhouse?
25%
50%
75%
100%
- 16. Multiple Choice
What percent of Gary's Grill wait time is greater than the bottom 25% wait times for Lucy's Steakhouse?
25%
50%
75%
100%
- Answer choicesTagsAnswer choicesTags