Population Samples and Bias

Population Samples and Bias

7th Grade

10 Qs

quiz-placeholder

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Population Samples and Bias

Population Samples and Bias

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Anthony Clark

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

River Bluff High School has a student population of 3020. In a sample of 250 students, 170 of them were female athletes. Approximately how many students in the entire population should be female athletes?

170

205

2,054

2,770

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This target depicts what?

Low bias, low variability

High bias, low variability

Low bias, high variability

High bias, high variability

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This target depicts

High bias, high variability

High bias, low variability

Low bias, low variability

Low bias, high variability

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The parameter is a number describing the:

population

sample

survey

percent

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Poll on women’s issues interviewed 1025 women randomly selected from the United States. One question was “Many women have better jobs and more opportunities than they did 20 years ago. Do you think women had to give up too much in the process, or not?” Forty-eight percent of women in the sample said “Yes.” Why can't we just say that 48% of women felt they gave up too much?

Not all samples would result in 48%

The margin of error might change.

The confidence interval might change

This was a biased survey.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A newspaper asks its readers to call in and answer the following question, "Are young adults unprepared for college?" What type of sample is this?

Convenience Sample

Random Sample

Voluntary Response Sample

Call in sample

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a sample does not accurately represent the population it is a:

Unbiased sample

Biased sample

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