Random Sampling & Comparing Populations

The entire group studied is called the

• sample
• population

The part of the population being studied is called the

• population
• sample
• random

Tags

CCSS.HSS.IC.B.3

According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey?

• 200 adults
• adults in the U.S.
• 75% of adults

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

A musician wanted to see what people who bought his last album thought about the songs. Which choice best represents a sample? .

• Every person who bought the album.

• A selection of people who didn't want to buy the album.

• 250 girls who bought the album

• A selection of 3,294 people who bought the album.

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

A school surveys all 7th grade boys to determine what to sell in the school store.  This sample is _________.

• Biased
• Unbiased
• Representative
• Peanut butter cups

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A school survey asked 50 girls to identify their favorite items on the school cafeteria menu. This sample is ________________.

• Biased
• Unbiased
• Representative
• Numerical

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

How many games did the team play?

• 15
• 12
• 24
• 14

In how many games did the team score more than 20 points?

• 8
• 7
• 10
• 9

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.1

How many students sent between 10 and 19 text?

• 25

• 22

• 15

• 45

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.1

CCSS.6.SP.B.4

How many students sent more than 29 text messages?

• 45

• 25

• 95

• 199

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

CCSS.6.SP.A.1

CCSS.6.SP.B.4