Test Hypotheses about a Population Mean with Known Using P-values
-What is a P-value?
A) A probability of observing a sample statistic more extreme than the one observed under the assumption that the null hypothesis is true.
B) A probability of observing a sample statistic more extreme than the one observed under the assumption that the null hypothesis is false.
C) A probability of observing a population statistic more extreme than the one observed under the assumption that the null hypothesis is true.
D) A probability of observing a population statistic more extreme than the one observed under the assumption that the null hypothesis is false.

Question

Quizplus · Accepted Answer

A P-value is the probability of observing a sample statistic (or one more extreme) assuming that the null hypothesis is true. It measures the strength of evidence against the null hypothesis.

Test Hypotheses About a Population Mean with Known Using P-Values