You would like to estimate the moan price of milk (per gallon) in your city You

Question

You would like to estimate the moan price of milk (per gallon) in your city You select a random sample of prices from different stores The sample has a mean of 3.53 dollars and a standard deviation of 0.23 dollars For each of the following sampling scenarios, determine which test statistic is appropriate to use when making inference statements about the population mean (In the table, Z refers to a variable having a standard normal distribution and t refers to a variable having a t distribution.)

Explanation / Answer

Z test

T test

T test

Z test

Unclear

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