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The following weights were obtained from a randomly selected sample of 20-year-old, 6-foot-1-inch males from Minnesota. This sample of 100 males had a mean weight of 175 lb. Based on this sample, are Minnesota males heavier than males in general? The mean weight of all U.S. males (6'1") is 170 lb. and the population standard deviation is 16. Assume a normal distribution. Use α= 0.05. Please write out all the needed steps as shown in the book and PPT (step 1-6).
Step 1 state your hypothesis
2 determine a and which tail
3 calculate z
4 Compare the calculated z score with critical z scores
5. Decision l- reject or fail to reject H0
6. Conclusion
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