Question
1. For each of the following, compute the correct degrees of freedom and find the correct t multiplier for constructing a confidence interval for a
1. For each of the following, compute the correct degrees of freedom and find the correct t multiplier for constructing a confidence interval for a population mean. You may use the t table or Minitab Express. [20 points]
A. Confidence level 80%, , df = _____, t* = ______
B. Confidence level 80%, , df = _____, t* = ______
C. Confidence level 95%, , df = _____, t* = ______
D. Confidence level 95%, , df = _____, t* = ______
E. How does the t multiplier change as the confidence level changes? Why?
F. How does the t multiplier change as the sample size changes? Why?
G. How does the t multiplier change as the population size changes? Why?
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