A psychology student wishes to investigate political opinions of college student

Question

A psychology student wishes to investigate political opinions of college students at her college. She randomly selects 50 students from the 260 business majors and 50 students from the 180 political science majors.
A) Does this sampling plan result in a random sample? Explain.
B) Does this plan result in simple random sample? Explain. A psychology student wishes to investigate political opinions of college students at her college. She randomly selects 50 students from the 260 business majors and 50 students from the 180 political science majors.
A) Does this sampling plan result in a random sample? Explain.
B) Does this plan result in simple random sample? Explain.
A) Does this sampling plan result in a random sample? Explain.
B) Does this plan result in simple random sample? Explain.

Explanation / Answer

A) Please kindly note that she has selected students randomly so This is a random sampling plan.

B) Please not that She randomly selects 50 students from the 260 business majors and 50 students from the 180 political science majors. That is out of total 440(260+140) students she is selected 100 (50+50) students randomly, so the samples selected are also random. So this plan also results in simple random sample.

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