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Question : At the 1% significance level, use the


At the 1% significance level, use the goodness-of-fit test for normality to determine whether or not the data are normally distributed

Mean ……………………………………………………………………………………………………. 77.25
Standard Deviation ………………………………………………………………………………… 11.36
Skewness …………………………………………………………………………………………………. 1.12
Kurtosis …………………………………………………………………………………………………… 1.63

a. Using the Jarque-Bera test, specify the null and alternative hypotheses to determine whether or not the data are normally distributed.
b. Calculate the value of the test statistic and the p-value.
c. At the 5% significance level, what is the conclusion? Can you conclude that the data do not follow the normal distribution? Explain.