Finding the Mean Answers

1

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First, find the total amount of money. $6120✔ 720

Answers:

The mean, or average, is found by dividing by .:720

The mean, or average, is found by dividing by .:6

The mean, or average, is found by dividing by .:720

The mean, or average, is found by dividing by .:6

The mean, or average, is found by dividing by .:120

2

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Check all that you included in your response.

A

First, add the numbers in the data set.

B

Then, divide the sum by the number of numbers.

C

The quotient is the mean.

3

The expression to find the mean, or balance point, is ✔ 25/55/2523/44/23.

A

✔ 25/5

B

5/25

C

23/4

D

4/23

4

After redistributing, each person will have 4✔ 567 berries.

A

4

B

✔ 5

C

6

D

7

5

The average amount of money that Bian saves every month is $.

Answer not available

6

In a high school league, there were 256 touchdowns made last year. If 64 games were played, what is the mean, or the average, number of touchdowns made per game?

A

4

B

192

C

320

D

16,384

7

In calculating the mean donation amount, which steps would you need to take? Check all that apply.

A

Multiply each donation amount by the number of people.

B

Add the total amount of money.

C

Add the total number of people.

D

2,550 ÷ 25 = $102

E

25 ÷ 2,550 = $0.01

8

Sasha wants to know her average grade on her math tests. She earned a score of 70 on two tests, an 80 on one test, and a 90 on two tests. What is Sasha’s mean score?

A

70

B

75

C

80

D

90

9

Explain how to find the mean of a data set.

Answer:

First, add the numbers in the data set. Then, divide the sum by the number of numbers. The quotient is the mean.

10

There are a total of 4523✔ 25 strawberries.

A

4

B

5

C

23

D

✔ 25

11

Each person should get marbles.

Answer:

6

12

Maria has 14 pencils, Ted has 9 pencils, Tom has 12 pencils, Lucinda has 13 pencils, and Jumana has 12 pencils. How can they redistribute the pencils so that they all have the same amount? How many pencils should each person have?

Answer:

PENDING

13

Steven received scores of 70, 95, and 80 on his last three math tests. He needs a mean test score of 80 to qualify for the math team. How many points does he need on his last test to qualify for the team?

Answers:

Steven received scores of 70, 95, and 80 on his last three math tests. He needs a mean test score of 80 to qualify for the math team. How many points does he need on his last test to qualify for the t:320

Steven received scores of 70, 95, and 80 on his last three math tests. He needs a mean test score of 80 to qualify for the math team. How many points does he need on his last test to qualify for the t:245

Steven received scores of 70, 95, and 80 on his last three math tests. He needs a mean test score of 80 to qualify for the math team. How many points does he need on his last test to qualify for the t:75

14

should be added to the data set to produce a mean of 13.

Answer:

18

15

Three students found the mean of the data set given. Their work is shown below. Choose the student who correctly found the mean. 10, 10, 13, 14, 16, 19, 23

A

Option

B

Option

C

Option

16

In 4 games, Larry averaged 23 PPG (points per game). How many points does he need to score in the last game to have an average of 25 PPG? Explain how to use the mean and the data given to find the answer.

Answer:

PENDING

17

Check all that you included in your response.

A

Multiply 5 by 25 to find the total points Larry needs to score in 5 games. 5 × 25 = 125.

B

Then find the total points Larry scored in the first 4 games. 4 × 23 = 92.

C

Subtract to find the number of points Larry needs to score in the fifth game. 125 – 92 = 33 points.

D

Larry needs to score 33 points in the last game.

18

Steven received scores of 70, 95, and 80 on his last three math tests. He needs a mean test score of 80 to qualify for the math team. How many points does he need on his last test to qualify for the team?

Answers:

Steven received scores of 70, 95, and 80 on his last three math tests. He needs a mean test score of 80 to qualify for the math team. How many points does he need on his last test to qualify for the t:320

Steven received scores of 70, 95, and 80 on his last three math tests. He needs a mean test score of 80 to qualify for the math team. How many points does he need on his last test to qualify for the t:245

Steven received scores of 70, 95, and 80 on his last three math tests. He needs a mean test score of 80 to qualify for the math team. How many points does he need on his last test to qualify for the t:75

19

First, find the total amount of money. $ Second, find the total number of months. The mean, or average, is found by dividing by . The average amount of money that Bian saves every month is $.

Answers:

Selection 1:720

Selection 2:6

Selection 3:720

Selection 4:6

Selection 5:120

20

In a high school league, there were 256 touchdowns made last year. If 64 games were played, what is the mean, or the average, number of touchdowns made per game?

A

4

B

192

C

320

D

16,384

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