Unit 1 Test: Statistics

Find the median and mode(s) of the data set. 12, 12, 15, 16.5, 18, 23, 23.5, 25, 76

• MEDIAN: 16.5 MODE: 76
• MEDIAN: 18 MODE: 12
• MEDIAN: 16.5 MODE: 23
• MEDIAN: 18 MODE: 76

Find the mean of the data set WITHOUT the outlier. 12, 12, 15, 16.5, 18, 23, 23.5, 25, 76

• 18.125
• 18
• 12
• 76

Find the range of the data. 21, 15, 10, 16, 11, 19, 24

• 8
• 14
• 4.
• 19

Which is the correct box-and-whisker plot for the data set? 15, 8, 11, 5, 12, 14, 7

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• 
• 
• 

True or False The median of the following data is 1. ----> 1, 2, 3, 1, 5, 4, 8

• True
• False

True or False The range of the following data is 2. ----> 1, 2, 3, 1, 5, 4, 8

• True
• False

The data set and dot plot display the approximate heights of several buildings in meters. What is the mean of the data?

• 16
• 110
• 5
• 6.875

The box-and-whisker plots show the distribution of test scores for two students for a semester. What conclusion can you make about the data?

• Overall, Sameer had better scores than Holly.
• Overall, Holly had better scores than Sameer.

What is the mean of this data?

What is the median of this data?