Centers of Measure

Find the mean absolute deviation of the following (to the nearest tenth):
25, 42, 17, 37, 31

• 30.4

• 37.6

• 7.5

• 152

Determine the mean absolute deviation of the data. 9, 7, 11, 10, and 8

• 9

• 6

• 1.2

• 5

Using the mean that you just calculated for Johnson Junior high school's basketball team heights (70), what is the M.A.D. of this data set?
5'10" (70 inches) 5'8" (68 inches) 5'9" (69 inches)  6'0" (72 inches) and 5'11" (71 inches)

• 1.5
• 1.75
• 2
• 2.25

what is the mean of the data set 1, 2, 3

• 6

• 2

• 3

• 1

Annabel is comparing the distances that two electric cars can travel after the battery is fully charged. Use the measures of center to make an inference about the data. Use the drop-down menus to complete your answer. ​ (a)   can travel further than ​ (b)   after the battery is fully charged.

• Car B

• Car A

The tennis team needs to raise money by selling raffle tickets. The box plots show how many tickets were sold over 15 days by 3 students. What is the appropriate measure of center for Daniel?​ (a)  

• Median

• Mean

• Range

• IQR

The box plot shows the test scores in Mr. Jordan's class. The appropriate measure of center is the ​ ​ ​ (a)  

• Median

• Mode

• Mean

• Range

• IQR

The mode is the number ________________________.

• you see most

• you see least

• you don't see

• you see first

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

• 10

• 12

• 10 and 12

• No Mode

What is the mode of the following data set?

• 5

• 7

• 12

• no mode