Statistics

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

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193
• 127
• 60
• 66

The scores awarded to 25 students for an assignment were as follows:
4  7  5  9  8  6  7  7  8  5  6  9  8    5  8  7  4  7  3  6  8  9  7  6  9
What is  the mode?

• 6
• 7
• 8
• 9

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:7  mode:3  range:8
• median:6  mode:3  range:7
• median:7  mode:3 range:8

What is the mode of this data set?
84, 92, 68, 79, 94,
84, 92, 79, 84, 68

• 68
• 79
• 84
• 92

Find the range of the data set
1.43,1.05,34,56,89,1.1

• 87.9
• 87.57
• 87.95
• 89

Find the Mean:
-35, -17, -9, -5, -5, 0, 0, 3

• -5
• -8.5
• -5, 0
• 38

Find the median: 12, 15, 13, 18, 23, 5?

• 14

• 16

• 16.5

• 18

What is the median of the following set of numbers?

(6, 12, 9, 41, 27)

• 27

• 41

• 9

• 12