1. If a null hypothesis is not rejected at the 0.05 level of significance, the p-value is bigger than 0.05 True False

2. In testing a hypothesis about a population mean with an unknown population standard deviation (σ ) the degrees of freedom is used in the denominator of the test statistic. True False

3. For a one-tailed test (lower tail) at 89.8% confidence, Z =

-1.27

-1.53

-1.96

-1.64

Answer rating: 100% (QA)

1 The statement is true A pvalue greater than 005 005 suggests strong evidence for the null hypot... View the full answer