Data Sampling

Data Sampling

Algebra 2

Multiple Choice

_______ is the entire group of objects or individuals possible for a survey.

• Sample

• Population

Multiple Choice

_______ is a part of a group being surveyed.

• Sample

• Population

Multiple Choice

A student surveys mathematics teachers at the HS

to get their opinion on teaching.

What is the sample?

• All teachers in the world.

• All teachers within the school.

• All mathematics teachers in the school.

• All teachers except mathematics teachers.

Multiple Choice

The Candlelit-Dinner Candle Store surveys only its Monday customers in order to find out their opinion on a new scented candle.

Is this biased or unbiased?

• Biased

• Unbiased

Multiple Choice

A teacher decides to survey the students in all his classes to find out their opinion on the new menu in the cafeteria.

Is this biased or unbiased?

• Biased

• Unbiased

Multiple Choice

Farmer Joe randomly picks 100 trees using a random number generator to estimate the number of apples produced by his apple trees. This is ______________ sampling.

• Simple random

• Stratified

• Systematic

Multiple Choice

Farmer Joe divides his farm into 10 regions. He then randomly selected 5 trees from each region to estimate the number of apples produced on his apple tree farm. This is _____________ sampling.

• Simple random

• Systematic

• Stratified

Multiple Choice

Farmer Joe's apple tree farm is set up in 100 rows. He counts the number of apples produced on every 10th row to estimate the number apples produced on the whole farm.

This is _____________ sampling.

• Simple random

• Stratified

• Systematic

Multiple Choice

Maria chooses 20 moviegoers that enter the movie theater 30 minutes before the film to survey.

What type of sampling method is this?

• Cluster

• Convenience

• Self-Selected

Multiple Choice

For a customer survey, Angel decides to just hand out survey forms to the top 5 rows of the movie theater.

What type of sampling method is this?

• Cluster

• Convenience

• Self-Selected

Multiple Choice

Tomas completes his survey by handing out mail-in questionnaires to all the moviegoers leaving the theater after the film. What type of sampling method is this?

• Cluster

• Convenience

• Self-Selected

Poll

Are you understanding the math concepts from this lesson today?

Open Ended

As you met the success criteria for sampling data, write down one important thing to remember about the lesson today.