Chapter 6 Diagnostic Test

What is the mode?

2, 8, 1, 5, 0, 4, 4, 1, 1, 6

• 1

• 3.2

• 2

• 4

What is the mean?

2, 8, 1, 5, 0, 4, 4, 1, 1, 6

• 1

• 3.2

• 2

• 4

What is the median?

2, 8, 1, 5, 0, 4, 4, 1, 1, 6

• 1

• 3.2

• 3

• 2

Based on the boxplot, what is the lowest height

• 60

• d

• 40

• 24

What height is the median?

• 40

• 74-d

• 60

• c-40

The interquartile range is 24. Find the value of d

• 64

• 50

• 84

• 56

A data set has a mean of 48 and a standard deviation of 5.

If each value is increased by 10

What is the new mean?

• 50.4

• 38

• 48

• 58

A data set has a mean of 48 and a standard deviation of 5.

If each value in the data set is increased by 10

What is the new standard deviation?

• 15

• 5

• 10

• 50

A data set has a mean of 48 and a standard deviation of 5.

Each value in the data set is multiplied by 10.

What is the new mean?

• 480

• 4.8

• 58

• 38

A data set has a mean of 48 and a standard deviation of 5.

Each value in the data set is multiplied by 10.

What is the new variance?

• 50

• 2500

• 500

• 25