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Ryan, Engineer

Category: Calculus and Above

Satisfied Customers: 9016

Experience: B.S. in Civil Engineering

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Use the given degree of confidence and sample data to find a

Customer Question

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, = $3959, s = $886 $539 < σ < $1734 $559 < σ < $1953 $697 < σ < $1156 $598 < σ < $1697