1). Which of the following statements about the hypothesistesting process is incorrect?
A. The researcher decides on the level of significance afteranalyzing the output from the statistical test.
B. A decision rule is a statement of the specific conditionswhen we decide to either reject or not reject the nullhypothesis.
C. A test statistic is a value computed from sample informationthat is used to test the null hypothesis.
D. Holding the significance level and degrees of freedomconstant, it is easier to reject the null hypothesis for a meanwhen conducting a one-tailed test rather than a two-tailedtest.
2). Which of the following statements about Type I and Type IIis incorrect?
A. When sample size increases, both α and β may decrease.
B. Type I error can only occur when you rejectH0.
C. Type II error can only occur if you fail to rejectH0.
D. The level of significance is the probability of Type IIerror.
