Quiz 2 FIM2014 S1/23

Which of the following is not a measure of dispersion?

• range

• variance

• standard deviation

• mode

Which of the measures of location is used in computing for the variance of a distribution?

• mean

• median

• mode

• midrange

Find the standard deviation for the following data; 86, 95, 78, 67, and 85.

• 82.2

• 5

• 9.33

• 10.43

The heights of some students are given.

158cm 172cm 164cm

164cm 167cm 159cm

What is the range of the heights?

• 13cm

• 14cm

• 164cm

• 330cm

Find the interquartile range of the data:

20, 22, 25, 29, 31

• 30

• 21

• 25

• 9

The number of pages that Mikayla wrote in her journal each day from Monday to Friday is shown below:

9, 8, 12, 6, 10

What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11

At Camden's Donuts the number of donut holes in a bag can vary. Help Camden find the mode of the number of donut holes per bag described in the sample below:

12, 10, 10, 10, 13, 12, 11, 13, 10, 12, 13

• 13

• 12

• 11

• 10

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:7  mode:3  range:10
• median:6  mode:3  range:7
• median:7  mode:3 range:8

The number of miles that Jenna cycled each week for a 8-week period is shown:

38, 42, 28, 52, 48, 36, 31, 25

What is the median number of miles Jenna cycled?

• 36

• 39

• 37

• 52

Determine the value of x in the cumulative frequency table below.

• 10

• 11

• 12

• 13