Mathmatics Quiz Finding the Mean

George sold 18, 22, 26, 12, 25, 20, and 19 cars per month over the past seven months. He followed the steps below to determine the number of cars he needs to sell in the next month to have a mean number of sales per month of 24.

Step 1: Find the total cars needed to have a mean of 24: .

Step 2: Find the total cars sold: .

Step 3: Subtract the total cars sold from the total cars needed: .

Step 4: State the answer: George needs to sell 26 cars next month.

• step 1

• step 2

• step 3

• step 4

Tags

CCSS.6.SP.B.5C

The students in the cooking club brought sugar to class. They each brought 3, 4, 5, 3, and 5 cups of sugar, respectively. They divided the sugar evenly so that each student received the same number of cups of sugar. How many cups of sugar did each student get?

• 2

• 3

• 4

• 5

Tags

CCSS.3.OA.A.3

What is the mean of the data set?

• 19

• 83

• 88

• 90

Tags

CCSS.6.SP.B.5C

Maria’s phone bills were $95, $67, $43, and $115. What was the mean, or average, of her phone bills?

• $55

• $72

• $80

• $105

Tags

CCSS.6.SP.B.5C

The Wing Station wants the average price of the lunch meal deals to be $8.

• $6

• $7

• $8

• $9

Tags

CCSS.6.SP.B.5C

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?

Tags

CCSS.6.SP.B.5C

What is the mean of the data set?

• 4

• 13

• 20

• 80

Tags

CCSS.6.SP.B.5C

Monica bowled three games. Her scores were 175, 142, and 133. What was her mean, or average, score?

• 112.5

• 142

• 150

• 158.5

Tags

CCSS.6.SP.B.5C

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?

• 3

• 6

• 9

• 12

Tags

CCSS.3.OA.A.3