Choose the best average and see how outliers affect it

Question 1

Data: 29, 23, 10, 18, 114. By how much does the mean go down when the outlier 114 is removed? Round to 1 decimal place if needed.

Answer 

Question 2

Weekly pocket money (in dollars) in a group: 357, 29, 31, 27, 33, 30, 25. Which average best describes a typical amount?

• A. Mean
• B. Median

Question 3

Data: 12, 20, 12, 18, 10, 84. If the outlier 84 is removed, what happens to the mean?

• A. It increases
• B. It decreases
• C. It stays the same

Question 4

Data: 26, 15, 11, 24, 120. By how much does the mean go down when the outlier 120 is removed? Round to 1 decimal place if needed.

Answer 

Question 5

Weekly pocket money (in dollars) in a group: 310, 35, 20, 26, 27, 33, 33. Which average best describes a typical amount?

• A. Mean
• B. Median

Question 6

Data: 17, 10, 12, 11, 17, 99. If the outlier 99 is removed, what happens to the mean?

• A. It increases
• B. It decreases
• C. It stays the same

Question 7

Data: 20, 22, 23, 24, 73. By how much does the mean go down when the outlier 73 is removed? Round to 1 decimal place if needed.

Answer 

Question 8

Weekly pocket money (in dollars) in a group: 24, 27, 30, 273, 28, 28, 29. Which average best describes a typical amount?

• A. Mean
• B. Median

Question 9

Data: 20, 16, 13, 19, 16, 0. If the outlier 0 is removed, what happens to the mean?

• A. It increases
• B. It decreases
• C. It stays the same

Question 10

Data: 19, 26, 25, 23, 89. By how much does the mean go down when the outlier 89 is removed? Round to 1 decimal place if needed.

Answer 

Question 11

Weekly pocket money (in dollars) in a group: 22, 163, 30, 32, 30, 28, 29. Which average best describes a typical amount?

• A. Mean
• B. Median

Question 12

Data: 20, 10, 14, 18, 14, 82. If the outlier 82 is removed, what happens to the mean?

• A. It increases
• B. It decreases
• C. It stays the same

Question 13

Data: 26, 13, 24, 24, 95. By how much does the mean go down when the outlier 95 is removed? Round to 1 decimal place if needed.

Answer 

Question 14

Weekly pocket money (in dollars) in a group: 35, 23, 28, 35, 34, 373, 24. Which average best describes a typical amount?

• A. Mean
• B. Median

Question 15

Data: 13, 12, 17, 16, 10, 1. If the outlier 1 is removed, what happens to the mean?

• A. It increases
• B. It decreases
• C. It stays the same

Question 16

Data: 30, 17, 21, 21, 106. By how much does the mean go down when the outlier 106 is removed? Round to 1 decimal place if needed.

Answer