Collecting and Interpreting Data

What is the average in a set of data called?

• The mean 
• The median
• The mode 
• The outlier

What is the middle number when the data is arranged from least to greatest called?

• The mean
• The median
• The mode 
• The range 

Find the mean of this set of data:
2, 9, 5, 3, 9, 0, 7

• 5
• 5.8
• 4
• 9

What is the range of a set of data?

• The average
• The middle
• Value that occurs the most
• The difference between the greatest and least values.

Find the interquartile range.

• 12
• 22
• 8
• 26

Which has the higher median?

• Carl
• Angela
• Neither

A sample where every member has an equal chance of being selected is called a ___________ sample.

• Random
• Biased
• Stratified
• Convenience

What would be the SAMPLE in this survey:
Surveyors in a mall choose shoppers to ask which products they prefer.

• Surveyors
• Shoppers chosen for the survey
• The mall
• The products they prefer

What would be the population in this example: 
Surveyors in a mall choose shoppers to ask about which products they prefer.

• The shoppers in the mall
• The shoppers chosen for the survey
• The products they prefer
• The mall

What is the entire group being studied called?

• Sample
• Cluster
• Population 
• Data