Read the two statements and choose the correct option.
I. A larger random sample is usually more representative of the population than a smaller one.
II. A sample made up of volunteers is always representative.

Only ICorrect answerYour answerOnly IICorrect answerYour answerBoth I and IICorrect answerYour answerNeither I nor IICorrect answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer A

Correct answer: A

I: more randomly chosen units average out chance differences. True.
II: volunteers choose themselves and often differ from the rest, so such a sample can be biased. False.

Ten questions from Sampling, Inference & the t-Test, at your own pace.

Ten questions from Sampling, Inference & the t-Test, at your own pace.

Read the two statements and choose the correct option.I. A larger random sample is usually more representative of the population than a smaller one.II. A sample made up of volunteers is always representative.