The logic of hypothesis testing is that if we assume that the hypothesized value is the population parameter, then, at the 95 percent level of confidence, if we took 100 separate samples, the z value for 95 of those samples would fall between + or -1.96.

Question

Quizplus · Accepted Answer

In hypothesis testing, assuming the null hypothesis is true, 95% of sample means will fall within ±1.96 standard deviations (z-value) from the population mean in a normal distribution at a 95% confidence level.

The Logic of Hypothesis Testing Is That If We Assume