Alg Unit 3 Test Review

Describe the shape of the graph

• Right Skewed

• Symmetric

• Bimodal

• Left Skewed

Describe the shape of the graph

• Bimodal

• Multimodal

• Uniform

• Unimodal

Find the median of these numbers:
4, 2, 7, 4, 3

• 2
• 5
• 7
• 4

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

• 4.1
• 6
• 4.5
• 4

If there is an even number of data in the data set how do you find the median?

• order the data and find the middle value
• order the data add the 2 middle values and divide by 2

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.

What is shape of the data?

• symmetrical

• skewed left

• skewed right

• bell curve

The following numbers represent the ages of people in an elementary school library: 5, 9, 7, 9, 10, 6, 8, 60

Which measure of center would best represent the data set?

• mean: there is no outlier

• median: there is no outlier

• mean: there is an outlier

• median: there is an outlier

How many students spent 7 hours doing homework that week?

• 1

• 3

• 5

• 6

Which interval shows the greatest number of pets?

• 15-19
• 0-4
• 5-9
• 10-14