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American Military University Hypothesis Testing Video Discussion

American Military University Hypothesis Testing Video Discussion

Question Description

Read the sections on Hypothesis Testing in your book.

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Think of an application where you can use hypothesis testing to test a premise. Use .05 for your alpha and give the scenario. Set up the problem, solve it and state your conclusions. See the example below.

First post: First summarize the 3 videos and make a note of what you learned. Then create your own hypothesis test. For instance, XYZ car company boast that it’s new car Eco Auto gets at least 59 miles to the gallon. Given a sample mean of 57 and a standard deviation of 3.5 where 35 people were tested, find the z value and p score. Hint: Use the P value calculator in the announcements to find the p score.

Student Response:

Ho: µ>=59

Ha: µ<59

You can put this in excel or your calculator

= (57-59)/(3.5/35.5)


Using the z to p value calculator…

with α=.05, 1 tailed test and z=-3.38, you get



or enter this in excel

=norm.dist(57,59,3.5/35^.5,true) and hit enter


This is the z value and in this case the p value

If you have a 2 tailed- test, then multiply the value you get by 2.

and hit enter

Since p < .05, you reject the null.

You will also write 2 respond by mentioning the video and tell what you learned. Also mention how the hypothesis test helped you.

Instructions: Your initial post should be at least 250 words. Please respond to at least 2 other students. Responses should be a minimum of 100 words and include direct questions.

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