Which of the following is NOT an assumption required for a test of hypothesis with a single sample mean?
A) A representative sample
B) Sample size (N) larger than 1,000
C) Normal sampling distribution
D) Interval-ratio level of measurement

Question

Quizplus · Accepted Answer

While a larger sample size may increase the power of the test, it is not a necessary assumption for testing a single sample mean. The other three assumptions (representative sample, normal sampling distribution, interval-ratio level of measurement) are required for the validity of the test.

Which of the Following Is NOT an Assumption Required for a Test