Mean, Median, Range, IQR, Dot Plot Review

What is the mean?

• # happening the most
• the number in the middle
• biggest-smallest
• the average

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40
• 24
• 4
• 256

On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________

• 91
• 273

The height of three basketball players is 210 cm, 220 cm and 191 cm.
What is their average height?

• 210
• 207
• 220
• 200

In order to find the median, the data must be sorted from least to greatest first.

• True
• False

Find the median of these numbers:
4,2,7,4,3

• 2
• 5
• 7
• 4

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

The cost of four cell phones are $345, $400, $110, and $640.
What is the median cost

• $330
• $390
• $372.50
• $375

Find the range of the data.

16, 28, 6, 19, 21, 15, 22, 33, 17

• 18

• 27

• 30

• 12

Find the interquartile range using the following.
Minimum:  1
Q1:  3
Median:  5
Q3:  7
Maximum:  9

• 8
• 4
• 5
• 10