Which of These Options Provides the Best Interpretation of a 90

question 99

Multiple Choice

Which of these options provides the best interpretation of a 90% confidence interval estimate of the population mean ?

• A) If we repeatedly draw samples of the same size from the same population, 90% of the values of the sample meanswill result in a confidence interval that includes the population mean.
• B) There is a 90% probability that the population meanwill lie between the lower confidence limit (LC
• L) and the upper confidence limit (UC
• L).
• C) We are 90% confident that we have selected a sample whose range of values does not contain the population mean.
• D) We are 90% confident that 10% the values of the sample meanswill result in a confidence interval that includes the population mean.

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