Sample and Population

Mr. Thompson surveyed his class about their favorite fruit. If 30 students participated and 12 chose apples, what percentage of the class chose apples?

• 40%

• 50%

• 60%

• 30%

Tags

CCSS.5.NF.B.3

During a school picnic, 3 out of every 12 students brought their own lunch. If 240 students attended the picnic, how many students could be expected to bring their own lunch?

• 60

• 20

• 80

• 40

Tags

CCSS.6.RP.A.3B

Ms. Carter surveyed her class about their favorite season. If 25 students participated and 10 chose summer, what percentage of the class chose summer?

• 40%

• 50%

• 20%

• 30%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Tom tracked the number of steps he took each day for a week: 3000, 4500, 5000, 3500, 4000, 4500, 5000. What is a reasonable prediction of the median number of steps Tom takes in a day?

• 4500

• 5000

• 4000

• 3500

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

During a class survey, 6 out of 15 students said their favorite pet is a dog. If there are 450 students in the school, how many students could be expected to prefer dogs as pets?

• 180

• 150

• 200

• 120

Tags

CCSS.7.RP.A.3

In a math test, 8 out of 25 students scored an A grade. If there are 200 students in the grade, how many students could be expected to score an A?

• 64

• 80

• 72

• 56

Tags

CCSS.7.RP.A.3

Ms. Johnson surveyed her class about their favorite type of music. If 30 students participated and 9 chose pop music, what percentage of the class chose pop music?

• 30%

• 40%

• 20%

• 50%

Tags

CCSS.5.NF.B.3

In order for us to make inferences from sample data, the sample should be...

• representative of only middle school students only

• a very large group

• representative of the population

• representative of people who volunteer

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A ___________ sample is a sample that is selected from the population in such a way that every member of the population has the same chance of being selected.

• specific

• fair

• random

• Hopopthrowolfcaka

Tags

CCSS.HSS.IC.B.3

When you add up all the data and divide by the number of data points. Also called the "average" of a set.

• Mean

• Median

• Mode

• Range

Tags

CCSS.6.SP.B.5C