Mean, Median, Mode, Range

Find the mean:
28, 18, 19, 18, 17

• 20
• 18
• 11
• 19

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

• 2
• The minimum
• The maximum
• The number of items

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2
• Write them both as the answer
• Give up
• Pick one

Christian has six grades from tests and IXL. They are all weighted equally. If Christian's grades are 100, 96, 96, 88, 70, and 100, what is the current average grade? (Round to the nearest whole number)

• 90

• 91

• 92

• 93

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.

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

• 12
• 72
• 48
• 98

What is the range?
8, 10, 60, 3, 5, 13, 12, 40, 8

• 55
• 8
• 57
• 17.7

What is the range?

• The sum of the largest and smallest number

• The number in the middle

• The difference between the largest and smallest number

• The number that appears most often

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

• 24
• 36
• 39
• 52

Median is closest to:

• 30
• 78
• 101
• 125