Mean and Statistical Questions

What is the definition of the mean?

• The average

• The middle number

• The difference between the highest and lowest numbers

• The number that occurs the most

Four friends went shopping for school clothes. Kim bought 5 shirts, Jill bought 4 shirts, Leslie bought 6 shirts, and Crystal bought only 1 shirt. Which answer choice represents the mean of the shirts purchased?

• 3

• 2

• 6

• 4

The height of three basketball players is 210 cm, 220 cm and 191 cm.
What is their average height?

• 210

• 207

• 220

• 200

Find the mean

• .83

• 8.3

• 83

• 7.89

?

• $57.87

• $58.67

• $65

• $60.12

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

To find the average of a set of numbers, add up all the items and divide by...

• 2.
• The smallest number
• The largest number
• The number of items in the set.

?

• 
• 

?

• 
• 

ONLY ONE OF THESE IS CORRECT.

• 
• 
• 
•