Question: Refer to Exercise 2.3.11. Construct a 95 percent confidence interval for the population mean S/R ratio. Should you use t or z as the reliability

Refer to Exercise 2.3.11. Construct a 95 percent confidence interval for the population mean S/R ratio. Should you use t or z as the reliability coefficient? Why? Describe the population about which inferences based on this study may be made.

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