uestion 3 A two-tailed test is to be performed at the l 5% significance level. R
ID: 3064019 • Letter: U
Question
uestion 3 A two-tailed test is to be performed at the l 5% significance level. Round all decimals answers to two decimal places XXX a) What is the confidence level? 10 peint b) What are the critical values? The left critical value is z- and the right critical value is z- Use Example 9.6 on pages 362-363 of the textbook as a guide. uestion 4 A left-tailed test is to be performed at the 8% significance level. Round all decimal answers to two decimal places XXX a) What is the confidence level? b) What is the critical value? z- Use Example 9.6 on pages 362-363 of the textbook as a guide. estion 5 A right-tailed test is to be performed at the 3% significance level. Round all decimal answers to two decimal places a) What is the confidence level? 9% b) What is the critical value? z- Use Example 9.6 on pages 362-363 of the textbook as a guide.Explanation / Answer
(3) a) Since the significance level is 15%, the confidence level is 85%.
(b) The left critical value z = -1.44 and the right critical value is z = +1.44
(4) a) Since the significance level is 8%, the confidence level is 92%.
(b) The left critical value z = -1.41
(3) a) Since the significance level is 3%, the confidence level is 97%.
(b) The right critical value is z = +1.88
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.