Introduction to Statistics

What is the mean of this set of data?

2, 15, 7

• 24

• 3

• 6

• 8

Find the median of these numbers:
2, 3, 4, 5, 5, 7

• 4
• 5
• 4.5
• 6

If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 

• 84
• 90
• 85
• 88

A data set can have more than one median?

• True
• False

A data set can have more than one mode

• True
• False

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

• 2

• The minimum

• The maximum

• The number of items

What is the range?

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

What is the mode?

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

Find the range.
5, 15, 10, 20, 15, 10, 15

• 5
• 10
• 15
• 13

Find the median, mode and range:

3, 5, 7, 9, 11, 8, 3

• median:7 mode:9 range:8

• median:6 mode:3 range:7

• median:7 mode:3 range:8