mg . We dl mg We want to conduct a hypothesis test of the claim that for middle-aged adults the population mean of their

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Mg We Dl Mg We Want To Conduct A Hypothesis Test Of The Claim That For Middle Aged Adults The Population Mean Of Their 1 (32.49 KiB) Viewed 34 times

mg . We dl mg We want to conduct a hypothesis test of the claim that for middle-aged adults the population mean of their cholesterol levels is more than 191.5 choose a random sample of such levels. The sample has a mean of 194.5 mg and a standard deviation of 19.5 di For each of the following sampling scenarios, choose an appropriate test statistic for our hypothesis test on the population mean, Then calculate that statistics Round your answers to two decimal places. (a) The sample has size 80, and it is from a non-normally distributed population with a known standard deviation of 19.3. 0:- 02-0 It is unclear which test statistic to use. (b) The sample has size 15, and it is from a normally distributed population with an unknown standard deviation or= 01-0 It is unclear which test statistic to use