Question

to find how high school students feel about hot lunches, adam walks to the nearest high school and gives a survey postcard to every twentieth student that enters the building. he asks the students to mail the postcard in if they choose to participate in the study.

select all sampling methods used.
cluster
convenience
simple random
stratified
systematic
voluntary

Explanation:

Analyze the location selection

Using the Convenience Sampling knowledge point

• Adam walks to the nearest high school to collect data because it is easy to reach. This represents Convenience Sampling.

Analyze the selection interval

Using the Systematic Sampling knowledge point

• Adam selects every twentieth student entering the building. Choosing every \(k\)-th individual from a population sequence represents Systematic Sampling.

Analyze the response method

Using the Voluntary Response Sampling knowledge point

• Adam asks the students to mail the postcard back if they choose to participate. This relies on self-selection, which represents Voluntary Response Sampling (or voluntary response).

Answer:

• cluster
• convenience (Correct answer)
• simple random

<mcq-option>stratified</mcq-correct>

• systematic (Correct answer)
• voluntary (Correct answer)