Statistics Review

the middle 50% of data from a data set is represented by what measurement?

• MAD

• IQR

• Range

• Median

What is the median of this set of data?

• 8

• 4

• 5.5

• 15

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.

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

• 13

• 12

• 11

• 10

What is the mean?

• number occurring the most

• the number in the middle

• greatest number minus least number

• the average

What is the mode?

• number occurring the most

• the average

• greatest number minus least number

• the middle number

The number of pages that Carolyn 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

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24

• 36

• 39

• 52

To find the average of a set of numbers, add up all the items and divide by...

• two.

• the minimum.

• the maximum.

• the number of items.

What is the definition of the range?

• The average

• The number that occurs the most

• The middle number

• The difference of the largest and smallest numbers

Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?

• 12

• 72

• 48

• 98