Data Review

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

• 20

• 18

• 11

• 19

Calculate the mean.

2, 9, 10, 6, 8

• 8

• 4

• 7

• 22

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

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

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4

• There isn't one

• 3.5

• 3

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

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 name of this graph?

• line plot

• line graph

• bar graph

• frequency table