What is the best point estimate of the population mean? (a) sample mean (b) sample median (c) sample mode (d) sample standard deviation
What is the range of values that contains the parameter value? (a) confidence limits (b) confidence level (c) confidence interval (d) confidence coefficient
Which of the following are 95% confidence coefficients? (a) +-1.645 (b) +-1.96 (c) +=2.33 (d) +-2.58
When n >- 30 and the population standard deviation is not known, what is the appropriate distribution? (a) P (b) r (c) t (d) z
Given n = 80, sample mean = 76.5, s = 3.1, which of these is the point estimate of the population mean? (a) 3.1 (b) 8.9 (c) 76.5 (d) 80
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