Statistic

Based on the dot plot, select ALL the true statements.

• 20 students responded to this survey.

• Half the students studied for at least 5 hours.

• Most students studied for less than 4 hours.

• The range of hours spent studying is 7.

How many people have two or less books in their desk?

• 4

• 5

• 6

• 7

How many students were greater than or equal to 60 inches tall?

• 21

• 11

• 17

• 6

How many students are represented by the histogram?  

• Cannot be determined

• 9

• 31

• 35

Choose the ONE statement that must be true based on this histogram.

• Every person spent less than 10 hours watching TV.

• Every person watched some TV.

• There are more people who watched 12 hours of TV than people who watched 17 hours ofTV.

• More than 20 people responded to the survey.

What is the RANGE of this data

• 40

• 95

• 90

• 100

Find the mean absolute deviation from the same stack of cards.

• 9.1

• 5.7

• 7.4

• 2.4

What is the mean for the following numbers: 0, 2, 4, 6, 8, 12, 8, 4

• 5.0

• 5.5

• 6.0

What is the median of the dot plot?

• 2

• 3

• 4

• 5

What is the mean for the following test scores: 85, 92, 87, 84

• 90

• 85.5

• 87

• 88