-2 of 3 ID: MST.FET.HT.CHT.01.0020A [1 mark] April is a statistics student who has extensive computer programming skills. She programs a random-number generator that produces numbers that follow the normal distribution with mean ju = 16 and standard deviation o = 3. April's friend Augustus does not know that the population mean is 16. He knows that April's favorite number is 23, and decides to conduct a hypothesis test with the following hypotheses: Ho: H = 23 HA: H # 23 The result of the test is that Augustus rejects the null hypothesis. Augustus has: O committed a Type I error committed a Type II error not committed a Type I error or Type II error O committed both a Type I error and a Type II error -3 of 3 ID: MST.FET.HT.CHT.02.0020A [3 marks] Select whether the following changes to a hypothesis test will cause the value of B to increase, decrease or remain unchanged. In each case, assume all other aspects of the test remain the same. Increase Decrease Unchanged a) A lower level of a is selected for the test. O O O b ) There is a decrease in the magnitude of the critical value(s). O c) A larger sample size is selected for the test. O O