A Random Sample of Size 18 Taken from a Normally

question 151

Multiple Choice

A random sample of size 18 taken from a normally distributed population revealed a sample mean of 100 and a sample variance of 49.The 95% confidence interval for the population mean would equal:

• A)93.56 - 103.98
• B)97.65 - 107.35
• C)95.52 -104.65
• D)96.52 - 103.48

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