Statistics Test

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

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 interquartile range (IQR)?

• 4
• 64
• 60
• 8

What value is the lower quartile?

• 66
• 58
• 60
• 64

What is the range of the data shown?

• 85
• 90
• 80
• 70

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

• 193

• 127

• 60

• 66

How many cars were sold on Monday and Tuesday?

• 13
• 5
• 11
• 2