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  3. 2. a 95% confidence interval for ?? − ?? is

2. A 95% confidence interval for ?? − ?? is (-4.5, -0.15). Based upon the data...

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Statistics

2. A 95% confidence interval for ?? − ?? is (-4.5, -0.15). Basedupon the data from which the confidence interval was constructed,someone wants to test H0: ?? = ?? versus HA: ?? ≠ ?? at the ? = 5%significance level.

(a) Based upon the confidence interval, what is your conclusionof the hypothesis test? Explain.

(b) Can we use the above confidence interval without anyadditional information to conduct the hypothesis test at the ? =10% level? Why or why not?

Answer & Explanation Solved by verified expert
3.6 Ratings (568 Votes)
A 95 confidence interval for is 45 015 Based upon the data from which the confidence interval was constructed someone wants to test H0 versus HA ie H0 0 vs Ha 0 at the 5    See Answer
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