Find the P-value in a test of the claim that the mean IQ score of acupuncturists is equal to 100, given that the test statistic is z =−2.00.
A) 0.0228
B) 0.955
C) 0.977
D) 0.0455

Question

Quizplus · Accepted Answer

The P-value for a two-tailed test with a z-score of -2.00 is 0.0455, as it represents the probability of observing a test statistic as extreme as -2.00 or more extreme in either direction.

Find the P-Value in a Test of the Claim That