To conduct a test of hypothesis with a single sample mean, we must assume________.
A) the sampling distribution is normal.
B) random sampling.
C) interval-ratio level of measurement.
D) All of the answer choices

Question

Quizplus · Accepted Answer

All of the answer choices are necessary assumptions when conducting a test of hypothesis with a single sample mean. A normal sampling distribution is necessary for the use of parametric tests, random sampling is necessary to ensure representativeness, and interval-ratio level of measurement is necessary for the use of means as a measure of central tendency.

To Conduct a Test of Hypothesis with a Single Sample