The monthly incomes of 13 randomly selected individuals who have recently graduated with a bachelor’s degree in economics have a sample standard deviation of $327. Construct a confidence interval for the population variance σ ² and the population standard deviation σ. Use a 95% level of confidence. Assume the sample is from a normally distributed population.

What is the confidence interval for the population variance σ ² ?

What is the confidence interval for the population standard deviation α?

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Given M 13 S 327 Given that 1 C 1 095 005 2 0025 From Chisquar... View the full answer