A random sample of size 38 is chosen from a population with

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A random sample of size 38 is chosen from a population with an unknown mean and variance. The sample mean and standard deviation are 21.6 and 3.5 respectively. Estimate the true mean with a 2% level of significance. Be sure to state the type of confidence interval you are constructing (z-interval, t-interval, etc.) and address any assumptions that are required for that confidence interval.

Reference no: EM13633608

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