For a lower tail test, the p-value is the probability of obtaining a value for the test statistic
A)at least as small as that provided by the sample
B)at least as large as that provided by the sample
C)at least as small as that provided by the population
D)at least as large as that provided by the population.

Question

Quizplus · Accepted Answer

In a lower tail test, we are interested in the probability of obtaining a test statistic as extreme or smaller than the one observed in the sample. Therefore, the p-value is the probability of obtaining a value for the test statistic at least as small as that provided by the sample, which is option A.

For a Lower Tail Test, the P-Value Is the Probability