A random sample of 30 lunch orders at "El Sandwichero" showed a standard deviation of $5.31....

A random sample of 30 lunch orders at "El Sandwichero" showed a standard deviation of $5.31. You are in charge of creating a 90% confidence interval for the population variance.

What is the lower end of the confidence interval?

Solutions

Expert Solution

So CI is (19.214,46.175)

orchestra answered 1 year ago

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