In a normal approximation to the sign test, the standardized test statistic is calculated as z = -1.58. To test the alternative hypothesis that the location of population 1 is to left of the location of population 2, what would be the p-value of the test?
A) 0.0571
B) 0.1142
C) 0.2215
D) 0.2284

Question

Quizplus · Accepted Answer

The p-value for a one-tailed test with z = -1.58 is approximately 0.0571, which corresponds to the probability of observing a value as extreme as -1.58 or more in the left tail of the standard normal distribution.

In a Normal Approximation to the Sign Test, the Standardized