Measures of Center

A data set can have more than one mode

• True
• False

A data set can have more than one median?

• True
• False

What is the mode?

• # happening the most
• the average
• biggest - smallest
• the middle #

What is the range?

• average
• biggest-smallest
• the middle #
• # happening the most

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24
• 36
• 39
• 52

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

Given the set of data below, what would be the most meaningful measure?
1, 1, 1, 1, 1, 1, 1, 1, 1, 21

• Mean
• Median
• Mode
• Range

calculate the median for the following set of scores

45, 69, 69, 87, 88, 92, 99, 100

• 87
• 55
• 87.5
• 99

A data set consists of the numbers 2, 2, 5, 6 and 15.  Which statement is true for this data?

• median > mean
• mean = mode
• mode < median
• median = mode

Find the mean:
28, 18, 19, 18, 17

• 20
• 18
• 11
• 19