Question

Q4:

A television news program did a feature on school bus safety. At the end of the segment, the host asked viewers to call special phone numbers to express their opinion on whether school buses should have seat belts. Each call cost $1.75. The results were tabulated, and 78% of those responding said school buses should have seat belts.

True or False: This survey indicates that most American adults think school buses should have seat belts.

Group of answer choices

True

False

Q5:

A magazine publisher mails a survey to every subscriber asking about the timeliness of its subscription service. The publisher finds that only 5% of the subscribers responded.

The group of subscribers who responded represents what?

Group of answer choices

The sample

The parameter

The sampling method

The statistic

q6:

When sampling sodas in a factory, every 1000th soda is tested for quality.

Which of these sampling methods is closest to what is described here?

Group of answer choices

Stratified sampling

Systematic sampling

Simple random sampling

Convenience sampling

Answer 1

4) Answer: True

Explanation: The 78% of those responding said school buses should have seat belts it indicates that this survey indicates that most American adults think school buses should have seat belt.

5) Answer: The sample

Explanation: The only 5% of the subscribers responded hence the group of subscribers who responded represents is the sample.

6) Answer: Systematic sampling

Explanation: The sampling sodas in a factory, every 1000th soda is tested for quality. Hence the closest sampling method is Systematic sampling