Finding the Mean

Question 1

Melinda has 1 seashell, and Jun has 9 seashells. If Melinda and Jun put their seashells together and then divide them up equally, how many will each one of them have?

Revolt · Accepted Answer

5

Question 2

Ella’s test grades in her history class are 89, 94, 82, 84, and 98. What score must Ella make on her next test to have a mean test score of 90?

Revolt · Accepted Answer

93

Question 3

What is the mean of the data set? 17, 24, 26, 13

Revolt · Accepted Answer

20

Question 4

What is the mean of the data set? 85, 97, 84, 88, 95, 100, 81

Revolt · Accepted Answer

90

Question 5

Brenda had bowling scores of 92, 110, 85, 78, and 96. She completed the steps below to determine the score she needs in her next game to have a mean, or average, bowling score of 96. Step 1: Find the total points needed to score in six games: .Step 2: Find the total points scored: .Step 3: Subtract the total points scored from the total points needed: .Step 4: State the answer: Brenda needs to score 211 in her next game. Where did Brenda make her first mistake?

Revolt · Accepted Answer

Step 2

Question 6

Four baskets contain scented soaps. The baskets contain 9, 9, 11, and 15 soaps. If the soaps are divided evenly among the baskets, how many soaps will go in each basket?

Revolt · Accepted Answer

11

Question 7

The diagram shows the number of dollars each child has in a family. How can you redistribute the money so that each child has the same amount? Check all that apply.

Revolt · Accepted Answer

Each child who has $8 must give away $2.; Each child who has $4 must be given $2.; When fairly balanced, each child has $6.

Question 8

Dwight has 3 baseball cards, and Ellis has 9 baseball cards. If Dwight and Ellis put their baseball cards together and then divide them up equally, how many will each one of them have?

Revolt · Accepted Answer

6

Question 9

The Wing Station wants the average price of the lunch meal deals to be $8. Lunch Meal Deal PricesItemPrice ($)Deluxe hamburger$9Reuben sandwich$7Chicken wings Chicken stir fry$9Cobb salad$6Make your own sandwich$10What does the price of the chicken wings need to be for this to happen?

Revolt · Accepted Answer

$7

Question 10

Asa received scores of 72, 97, and 82 on her last three math tests. She needs a mean test score of 82 to qualify for the math team. What is the first step in determining how many points she needs on her next test to qualify for the team?

Revolt · Accepted Answer

Determine how many total points are needed to have an average of 82.

Finding the Mean Answers

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