a. We are testing H0: Î¼1 - Î¼2 = 0. Our 95% confidence interval is (-27.01,-7.5). We...

50.1K

Verified Solution

Question

Statistics

a. We are testing H₀: Î¼₁ - Î¼₂ =0. Our 95% confidence interval is (-27.01,-7.5).
We should expect the t-statistic to beÂ Â ---Select---greater than 2 between 0 and 2 between 0 and -2 less than -2.
We should expect the p-value to beÂ Â ---Select--- lessthan .05 greater than .05 equal to .05 .
We shouldÂ Â ---Select--- reject fail to rejectH₀ and conclude that the group 1 population averageisÂ Â ---Select--- smaller larger than the group 2population average.
It is possible that we could be making aÂ Â ---Select---Type I Type II error.

b. We are testing H₀: Î¼ = 15. Our t statistic is1.25.
We can tell that in our sample, the sample averagewasÂ Â ---Select--- greater less than 15.
We should expect the 95% confidence intervaltoÂ Â ---Select--- include exclude 15.
We should expect the p-value to beÂ Â ---Select--- lessthan .05 greater than .05 equal to .05 .
We shouldÂ Â ---Select--- reject fail to rejectH₀.
It is possible that we could be making aÂ Â ---Select---Type I Type II error.

Answer & Explanation Solved by verified expert

3.8 Ratings (508 Votes)

Solution a We are testing H0 1 2 0 Our 95 confidence interval is 270175 We should expect the tstatistic to be less than 2 Because the confidence interval contains all the negative values We should expect the pvalue to be less than 05 Since the confidence interval is significant at 005 significance level See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member