1.
a. The maximum error of estimate is a function of three factors: the level of confidence, sample size and standard deviation. T-F, and why or why not?
b. Explain the difference between a point estimate and an interval estimate.
2.
A sample of 102 golfers showed that their average score on a particular golf course was 88.55 with a standard deviation of 4.27.
Answer each of the following (show all work
and state the final answer to at least two decimal places.):
(A) Find the 95% confidence interval of the mean score for all 102 golfers.
(B) Find the 95% confidence interval of the mean score for all golfers if this is a sample of 135 golfers instead of a sample of 102.
(C) Which confidence interval is smaller and why?
3.
a. What is the relationship between α and Type I Error?
b. What decision is reached when the p-value is greater than α?
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