Random Sampling

Kristen climbed 3 trees throughout each forest in her county. Each forest is the same size.

Is this sample of the trees in the county likely to be representative?

• Yes

• No

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Josh did 60 random math problems from each math book in his library. Each math book in the library has an equal number of problems.

Is this sample of the math problems in the library likely to be representative?

• Yes

• No

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Roy surveyed 30 students on the football team.

Is this sample representative of the whole school?

• Yes

• No

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Derek bought 7 random shirts from each store at the mall. Each store had an equal number of shirts.

Is this sample of the shirts sold at the mall likely to be representative?

• Yes

• No

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

For a statistics project, Jacob distributed a questionnaire and asked 8th grade boys to fill it out. Is this sample likely to be representative of the whole school?

• Yes

• No

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A school principal wants to see which subject the 526 students in his school liked best.

Which choice BEST represents a sample?

• All the students in the school

• The students in 6th grade

• The first 90 students who come into the school

• The students making a B in math

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

Before a nation wide election, a polling place was trying to see who would win.

Which choice BEST represents a sample?

• All voters

• A sample of male voters

• a sample of voters from Mississippi

• A sample of voters from all over the nation

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

A gaming website wanted to find out which console its visitors owned.

Which choice BEST represents a sample?

• All of the website visitors

• Visitors over the age of 24

• Visitors with an 'e' in their user name

• Visitors younger than 14

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A survey company was trying to see if people in a state thought the pollution was too high.

Which choice BEST represents a sample?

• Every person who owns more than 3 cars

• Every person in the state

• A sample 500 people across the state.

• A sample of people who live in small towns

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A restaurant wanted to find out how the customer experience was in their restaurant.

Which choice BEST represents a sample?

• Every 5th customer

• 255 customers who filled out complaint cards

• All of the people who ate at the restaurant

• 243 customers who spent more than $25 there

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3