For the following hypothesis test: 
With n = 15,s = 7.5,and 
= 62.2,state the decision rule in terms of the critical value of the test statistic
A) This is a two-tailed test of the population mean with σ unknown.Therefore,the decision rule is: reject the null hypothesis if the calculated value of the test statistic,t,is less than -2.1448 or greater than 2.1448.Otherwise,do not reject.
B) This is a two-tailed test of the population mean with σ unknown.Therefore,the decision rule is: accept the null hypothesis if the calculated value of the test statistic,t,is less than -2.1448 or greater than 2.1448.Otherwise,do not accept.
C) This is a two-tailed test of the population mean with σ unknown.Therefore,the decision rule is: reject the null hypothesis if the calculated value of the test statistic,t,is less than -1.1828 or greater than 1.1828.Otherwise,do not reject.
D) This is a two-tailed test of the population mean with σ unknown.Therefore,the decision rule is: reject the null hypothesis if the calculated value of the test statistic,t,is less than -1.1828 or greater than 1.1828.Otherwise,do not accept.
Correct Answer:
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