Construct a 95% confidence interval for the population mean, $mu$. Assume the population has a normaldistribution. A sample of 20 college students had mean annual earnings of $3120 with a standard deviation of$677.

CONFIDENCE INTERVALS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Construct a 95% confidence interval for the population mean,

A	($1324, $1567)
B	($2135, $2567)
C	($2803, $3437)
D	($2657, $2891)

Explanation:

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RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

CONFIDENCE INTERVALS