Statistics Review

A data set can have more than one mode

• True

• False

What is the mode?

• 5

• 6

• 20

• 50

What is the mode?

• 10

• 35

• 45

• No Mode!

What is the mode?

• 4

• 3 and 4

• 5 and15

• No Mode!

What is the mode of the following data set?

• 2, 4, 6, 7, 8, 9

• 4

• 6

• no mode

How do you find the range of a set of data?

• Find the middle number

• The number that appears the most

• Add all the numbers up and divide them by the total amount of numbers

• The highest value minus the lowest value

What is the range of the follow set of data:

60, 85, 29, 32, 45, 17, 55

• 67

• 43

• 68

• 56

Gabriella’s quiz grades are shown below. 88, 92, 92, 96, 98 Gabriella scored a 20 on her sixth quiz. What effect does this score have?

• The low score causes the median to increase.

• The low score causes the median to decrease.

• The low score causes the mean to increase.

• The low score causes the mean to decrease.

How many students spent more than 7 hours doing homework that week?

• 6

• 8

• 14

• 20

Identify the outlier of the data.

• 9

• 6 and 7

• 8

• 2