Mean, Median, Mode Review

Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

• 7
• 23
• 31
• 34

What is the mean of the data below?

1 , 5 , 10 , 11 , 20

• 10

• 9.4

• 19

• 9.1

What is the median of the data below?

20 , 3 , 17 , 1 , 5

• 5

• 17

• 19

• 9.2

What is the mode of the data below?

12 , 14 , 5 , 12 , 5 , 12 , 11

• 5

• 12

• 5 and 12

• 11.8

If there is an even number of data in the data set how do you find the median?

• order the data and find the middle value
• order the data add the 2 middle values and divide by 2

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

• 91
• 273

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

• $330
• $390
• $372.50
• $375

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