CFA 11 pretest

What is the mean age and the median age of the managers at store 1?

• mean: 29

  median: 30

• mean 30

  median 29

• mean 31

  median 29

• mean 29

  median 31

What is the mean hourly salary and the median hourly salary of the managers at store 1?

• mean: 21.4

  median: 20

• mean: 22

  median: 22

• mean: 20

  median: 20

• mean: 20.3

  median: 21.4

What is the mean age and the median age of the manager's at store 2?

• mean: 29

  median: 30

• mean: 30

  median: 29

• mean: 28

  median: 29

• mean: 29

  median: 29

What is the mean hourly salary and the median hourly salary of the managers at store 2?

• mean: 23

  median: 24

• mean: 24

  median: 23

• mean: 24

  median: 24

• mean: 23

  median: 23

This is how many points a basketball player scored in the first 12 games of the season.

3,5,10,12,13,14,15,16,17,20,21,22

What is the IQR?

• 7.4

• 7.6

• 7.5

• 7

This is how many points a basketball player scored in the first 12 games of the season.

3,5,10,12,13,14,15,16,17,20,21,22

Using the 1.5(IQR) rule, which numbers qualify as outliers?

• 3 and 5

• 3 only

• 3 and 22

• 5 only

Which measure of center gets affected by an outlier?

• Mean

• Median

• Mean and Median

• Mode

What do the box plots tell you about the growth of a typical plant species?

• B typically grows taller than A since the range for B is greater.

• B typically grows taller than A since the IQR for B is greater.

• A grows taller than B since the median for A is greater.

• A typically grows taller than B since the mean for A is greater.

What do the box plots tell you about the variability (spread) of the data?

• B has greater variability because its range and IQR are greater than A.

• B has greater variability because its median & mean are greater than A.

• A has greater variability because its range & IQR are greater than B.

• A has greater variability because its median and mean are greater than B.

What is the MEAN for this data?

• 80
• 1040
• 13
• 81