14.When conducting a hypothesis test, which of the following levels of significance (alpha) will give the lowest Type I error risk?
15.Execute an appropriate hypothesis test with p-value=0.04. Which of the following could be a correct conclusion?
16.________ has occurred when a true H0 is rejected.
17.In a five-step procedure that systematizes hypothesis testing, which of the following is the initial step?I.State the null hypothesis (H0) and the alternate hypothesis (H1).II.Select the level of significance. III.Select the test statistic.
18.When stating a confidence interval and then decreasing the sample size, what will happen to the95% confidence interval (CI)?
19.If the null hypothesis in a hypothesis test includes the term "≥", then the test is a
20.A revision course is expected to improve learning in an economics course. Similar tests were given before and after the online revision courses. The scores were captured as S1 and S2 respectively. The difference in scores is computed as d = S2 –S1. Identify an appropriate null hypothesis to execute a hypothesis test.