Sampling Methods

Question 1

Cheryl wants to find the number of hours seventh-graders do homework each week. There are 297 girls and boys in seventh grade. Which is the best way for Cheryl to get a representative sample without spending too much time?

Revolt · Accepted Answer

She can randomly survey 50 seventh-graders in the school.

Question 2

Which statement(s) describe her sampling method? Check all that apply.

Revolt · Accepted Answer

Her method will produce a valid sample.; Her method will produce a random sample.; Her method will produce a representative sample.

Question 3

Which gives the best definition of a representative sample?

Revolt · Accepted Answer

A sample that has the same general characteristics of the target population.

Question 4

Which of these statements are true about his sampling method? Select all that apply.

Revolt · Accepted Answer

His sample will probably be biased.; His sample will probably be invalid.

Question 5

Alana’s method is✔ Ramiro’s method isBoth methods areNeither method is likely to result in a biased sample.

Revolt · Accepted Answer

✔ Ramiro’s method is

Question 6

Survey 1 2 ✔ 3 is most likely to produce a representative sample.

Revolt · Accepted Answer

✔ 3; is most likely to produce a representative sample.: 3; is most likely to produce a biased sample.: 2; collects information on an entire population.: 1

Question 7

Survey 1 ✔ 23 is most likely to produce a biased sample.

Revolt · Accepted Answer

✔ 2

Question 8

Survey ✔ 123 collects information on an entire population.

Revolt · Accepted Answer

✔ 1

Question 9

suggested the best way to produce a random sample that is not biased.

Revolt · Accepted Answer

Kai

Question 10

Which of the following ideas did you include in your response? Select all that apply.

Revolt · Accepted Answer

The publisher should select a random sample of the newspapers and check them.; The publisher should check enough but not all of the papers to get a representative sample.; The publisher should be careful to select papers at random to avoid getting a biased sample.

Sampling Methods Answers

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