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- 1. Multiple-choice2 minutes1 pt
Use the interquartile range to identify any outliers in the following data.

23, 22, 25, 16, 27, 43, 29, 40, 35

No outliers.

43 is an outlier.

- 2. Multiple-choice2 minutes1 pt
Use the interquartile range to identify any outliers in the following data.

52, 63, 55, 56, 62, 54, 59, 60, 53, 61, 88

No outliers.

88 is an outlier.

- 3. Multiple-choice2 minutes1 ptUse the 1.5 IQR rule to determine if there are any outliers for the following numbers:

84, 88, 72, 74, 98, 16, 94Yes, 16 is an outlier.Yes, 33 is an outlier.Yes, 98 is an outlier.There are no numbers less than 39 or greater than 124, therefore there are no outliers. - 4. Multiple-choice2 minutes1 ptWhat is the interquartile range (IQR)?464608
- 5. Multiple-choice2 minutes1 ptWhich box and whisker plot has the highest median?Top plotBottom plot
- 6. Multiple-choice2 minutes1 ptWhich restaurant has a higher median wait time?Lucy's SteakhouseGary's GrillThey are the same
- 7. Multiple-choice2 minutes1 ptWhich data set shows a greater spread?Chess ClubCheckers ClubThey have the same spread.You cannot tell from the box plots.
- 8. Multiple-choice2 minutes1 pt
Which car has the widest range of jumping distance?

Car A

Car B

Both the same

- 9. Multiple-choice2 minutes1 pt
Which statement is true?

Airplane A has a lesser median

Airplane B has a greater range

Airplane A has a less predictable flight length

Airplane B a lesser IQR

- 10. Multiple-choice2 minutes1 pt
The range of the data for Fun Fit is less than the range of the data for Gregâ€™s Gym.

The median for Gregâ€™s Gym is less than the median for Fun Fit.

The minimum attendance for Fun Fit is less than the minimum attendance for Gregâ€™s Gym.

The interquartile range for Gregâ€™s Gym is greater than the interquartile range for Fun Fit.

- 11. Multiple-choice2 minutes1 pt
The minimum temperature for Reybold is lower than the minimum temperature for Picktown.

The median for Reybold and Picktown are equal.

The first quartile for Reybold is greater than the first quartile for Picktown.

Picktown has a greater interquartile range than Reybold.

- 12. Multiple-choice2 minutes1 pt
When shifting data, which statistic doesn't change?

Mean

Median

First Quartile

Standard Deviation

- 13. Multiple-choice2 minutes1 pt
When rescaling data, select all the statistics that stay the same.

Mean

Median

Third Quartile

No statistics stay the same.

- 14. Multiple-choice2 minutes1 pt
Basketball teams list players heights in the programs. Suppose one team measured their players while they were wearing sneakers, adding one inch to everyone's height. If you want to describe these heights, which statistics should you change?

Standard Deviation

Mean

IQR

Range

- 15. Multiple-choice2 minutes1 pt
A company selling clothing on the internet reports that the package it ships have a median weight of 68 ounces and an IQR of 40 ounces. The company plans to include a sales flyer weighting 4 ounces in each package. What is the new mean and IQR?

Median: 72; IQR: 44

Median: 72; IQR: 40

Median: 68; IQR: 44

Median: 68; IQR: 40

- 16. Multiple-choice2 minutes1 pt
A company selling clothing on the internet reports that the package it ships have a median weight of 68 ounces and an IQR of 40 ounces. If the company recorded the shipping weights of these new packages in pounds instead of ounces , what would the mean and IQR be? (1lb=16oz)

Median: 68 oz ; IQR: 40 oz

Median: 4.25 oz ; IQR: 2.5 oz

Median: 4.25 oz ; IQR: 40 oz

Median: 68 oz ; IQR: 2.5 oz