Question: Before question was wrong thanks Help me to submit this quiz thanks A random sample of n = 15 items is taken, producing a sample

Before question was wrong thanks Help me to submit this quiz thanks

A random sample of n = 15 items is taken, producing a sample mean of x =15 with a sample variance of $2 = 3.7. Assume x is normally distributed and construct a 90% confidence interval for the population mean u Lower Confidence Limit (L.C.L) Upper Confidence Limit (U.C.L) = =

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