Answer on Statistics and Probability Question for austin
a. What statistical test should be used to analyze the data?
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The sample mean = 19.33, standard error = 0.94<div>a. We should use t test</div><div>b. Two-tailed</div><div>c. Ho: the sample average is equal to the population mean.</div><div> Ha: & the sample average is not equal to the population mean.</div><div>d. t<sub>obt</sub> = (22.5 - 19.33)/0.94 = 3.37 > t <sub>crit for alpha= 5% lt;/sub>= 2.2</div><div>e. Ho shouldn't & be rejected, the sample average can be equal to the population mean.</div><div>