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A study at a local hospital found the mean weight of 64 males over the age of 65 was 194.6 lbs, and the sample standard

A study at a local hospital found the mean weight of 64 males over the age of 65 was 194.6 lbs, and the sample standard deviation was 32.8 lbs. a. Is the outcome variable continuous or dichotomous? How do you know?

b. should a z or t values be used. show your work.

c. determine the 90% confidence interval for the mean weight. show your work

d. write out an interpretation for the CI.

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