Identify whether the hypothesis test is a one tailed or two tailed test.

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Answer 1

Question

Chapter 6.5, Problem 12E

a.

To determine

Identify whether the hypothesis test is a one tailed or two tailed test.

b.

To determine

Find the null hypothesis.

c.

To determine

Check whether the null hypothesis is rejected at the 5% level or not.

d.

To determine

Find the P-value using a z test and also check whether the two results are similar or not.

e.

To determine

Find the 99% confidence interval for μX−μY based on the z statistic.

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NC Current Students - North Ce X | NC Canvas Login Links - North ( X Final Exam Comprehensive x Cengage Learning x WASTAT - Final Exam - STAT → C webassign.net/web/Student/Assignment-Responses/submit?dep=36055360&tags=autosave#question3659890_9 Part (b) Draw a scatter plot of the ordered pairs. N Life Expectancy Life Expectancy 80 70 600 50 40 30 20 10 Year of 1950 1970 1990 2010 Birth O Life Expectancy Part (c) 800 70 60 50 40 30 20 10 1950 1970 1990 W ALT 林 $ # 4 R J7 Year of 2010 Birth F6 4+ 80 70 60 50 40 30 20 10 Year of 1950 1970 1990 2010 Birth Life Expectancy Ox 800 70 60 50 40 30 20 10 Year of 1950 1970 1990 2010 Birth hp P.B. KA & 7 80 % 5 H A B F10 711 N M K 744 PRT SC ALT CTRL

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Answer 2

Question

Chapter 6.5, Problem 12E

a.

To determine

Identify whether the hypothesis test is a one tailed or two tailed test.

b.

To determine

Find the null hypothesis.

c.

To determine

Check whether the null hypothesis is rejected at the 5% level or not.

d.

To determine

Find the P-value using a z test and also check whether the two results are similar or not.

e.

To determine

Find the 99% confidence interval for μX−μY based on the z statistic.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Chapter 6.5, Problem 12E

a.

To determine

Identify whether the hypothesis test is a one tailed or two tailed test.

b.

To determine

Find the null hypothesis.

c.

To determine

Check whether the null hypothesis is rejected at the 5% level or not.

d.

To determine

Find the P-value using a z test and also check whether the two results are similar or not.

e.

To determine

Find the 99% confidence interval for μX−μY based on the z statistic.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 4

Question

Chapter 6.5, Problem 12E

a.

To determine

Identify whether the hypothesis test is a one tailed or two tailed test.

b.

To determine

Find the null hypothesis.

c.

To determine

Check whether the null hypothesis is rejected at the 5% level or not.

d.

To determine

Find the P-value using a z test and also check whether the two results are similar or not.

e.

To determine

Find the 99% confidence interval for μX−μY based on the z statistic.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 5

Chapter 6.5, Problem 12E

a.

To determine

Identify whether the hypothesis test is a one tailed or two tailed test.

b.

To determine

Find the null hypothesis.

c.

To determine

Check whether the null hypothesis is rejected at the 5% level or not.

d.

To determine

Find the P-value using a z test and also check whether the two results are similar or not.

e.

To determine

Find the 99% confidence interval for μX−μY based on the z statistic.

Answer 6

Chapter 6.5, Problem 12E

a.

To determine

Identify whether the hypothesis test is a one tailed or two tailed test.

Answer 7

Chapter 6.5, Problem 12E

a.

To determine

Identify whether the hypothesis test is a one tailed or two tailed test.

Answer 8

b.

To determine

Find the null hypothesis.

Answer 9

b.

To determine

Find the null hypothesis.

Answer 10

c.

To determine

Check whether the null hypothesis is rejected at the 5% level or not.

Answer 11

c.

To determine

Check whether the null hypothesis is rejected at the 5% level or not.

Answer 12

d.

To determine

Find the P-value using a z test and also check whether the two results are similar or not.

Answer 13

d.

To determine

Find the P-value using a z test and also check whether the two results are similar or not.

Answer 14

e.

To determine

Find the 99% confidence interval for μX−μY based on the z statistic.

Answer 15

e.

To determine

Find the 99% confidence interval for μX−μY based on the z statistic.

Answer 16

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Answer 17

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Answer 18

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Answer 19

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Identify whether the hypothesis test is a one tailed or two tailed test.

Solution Summary: The author explains that the MINITAB output represents the results of a hypothesis test for the difference between the two population means.

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Identify whether the hypothesis test is a one tailed or two tailed test.

Find the null hypothesis.

Check whether the null hypothesis is rejected at the 5% level or not.

Find the P-value using a z test and also check whether the two results are similar or not.

Find the 99% confidence interval for μX−μY based on the z statistic.

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Chapter 6 Solutions