confidence interval limits 16

Anonymous
timer Asked: Jul 10th, 2015

Question description

Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ. Assume that the population has a normal distribution. Round the confidence interval limits to the same number of decimal places as the sample standard deviation.
 College students' annual earnings: 98% confidence; n = 9, x

 = $3705, s = $841    

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