# Mean

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## Mean Answer Key

1.

What is another word for "mean"?

- total
- average
- difference
- sum

2.

What happens to the mean of a set of positive numbers when a zero is added to the set?

- stays the same
- gets larger
- gets smaller
- equals zero

3.

What is the mean of the following set of data?

2, 16, 8, 16, 24, 6

2, 16, 8, 16, 24, 6

- 12
- 16
- 11
- 6

4.

Benjamin scored 9, 7, 6, 10, 12, 9 and 17 points in 7 basketball games. Find the mean for the set of data.

- 12
- 11
- 10
- 13

5.

Jenny is 12 years old. Her brother is 14. Her mother and father are 44. Her cat is 6. What is the mean of all their ages?

- 19
- 24
- 15
- 120

6.

Find the mean for the following set of data. Round to the nearest whole number.

68, 71, 67, 104, 118, 109, 64, 101, 157, and 171

68, 71, 67, 104, 118, 109, 64, 101, 157, and 171

- 103
- 132
- 105
- 112

7.

Karla scored 75, 80, and 92 on her history quizzes. What is the minimum score she needs on her next quiz to have a mean of 85?

- 93
- 97
- 85
- 95

8.

Egore the Elephant is on a baseball team. His team scores 5, 2, 1, 6, 8, 9, 0, 4, and 1 points in his last 9 games. What is the mean score his team earned in those games?

- 8 points
- 4 points
- 1 point
- none of the above

9.

Foster went on a seven-day bike trip. He recorded the miles covered each day:

Mon: 25, Tues: 21, Wed: 19, Thurs: 26, Fri: 22, Sat: 17, Sun: 24

1. Find the total distance.

2. Find the mean distance covered per day.

Mon: 25, Tues: 21, Wed: 19, Thurs: 26, Fri: 22, Sat: 17, Sun: 24

1. Find the total distance.

2. Find the mean distance covered per day.

- 1. 154 miles

2. 22 miles

10.

The test scores of four students are: 80, 70, 90, x. The mean is 80. What is the missing value?

- 80

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