Population vs Sample

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.7.SP.A.1

CCSS.HSS.IC.A.1

A survey of 1000 patients at Emory hospital found that 40% cases are heart disease treatment.  Identify the sample.

• All Emory hospital patients

• 1000 Emory hospital patients

• 40% cases

• 40 hear disease cases.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A toy store owner tracking how much kids spend each month on toys. Which choice best represents a population?

• All of the kids who buy toys.

• 227 rich kids

• 228 boys age 7 - 15

• 235 kids from age 10 to 15.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A restaurant chain wanted to find out how the customer experience was in a store. Which choice best represents a sample?

• 1 out of every 35 customers

• All of the people who ate at the store.

• 240 customers who spent more than $10.

• 299 customers who filled out complaint cards.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A survey company was trying to see if people in a state thought the pollution was too high. Which choice best represents a population?

• A selection of people from each neighborhood in the state.

• A selection of people who live in dirty neighborhoods.

• A selection of people who live in small towns.

• Every person in the state.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

A school principal wants to see which subject the 845 students in his school liked best. Which choice best represents a population?

• The students in 3rd grade

• All the students in the school.

• The students making a B in math.

• The first 77 students who come into the school

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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

• Every person who bought the album.

• A selection of 7,285 people who bought the album.

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

• Every person from age 5 - 12 who bought the album.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

In the United States, a survey of 2000 households with at least one child found that 1280 of them eat dinner together every night. What is the sample?

• 1280 that responded

• Every household with at least one child in the US

• 2000 households with at least one child

• 1280 households that have at least one child

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

1. The International Dairy Foods Association (IDFA) wants to estimate the average amount of calcium male teenagers consume. From a random sample of 50 male teenagers, the IDFA obtained a sample mean of 1081 milligrams of calcium consumed. Identify the population.

• 1. Random sample of 50 male teenagers.

• 1. Mean of 1081 milligrams of calcium consumed.

• 1. All male teenagers.

• 1. Average amount of calcium consumed by all male teenagers.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

1. The International Dairy Foods Association (IDFA) wants to estimate the average amount of calcium male teenagers consume. From a random sample of 50 male teenagers, the IDFA obtained a sample mean of 1081 milligrams of calcium consumed. Identify the sample.

• 1. Random sample of 50 male teenagers.

• 1. Mean of 1081 milligrams of calcium consumed.

• 1. All male teenagers.

• 1. Average amount of calcium consumed by all male teenagers.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1