You are given the following summary statistics from a sample of 50 observations:
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.
c. At the 5% significance level, what is the critical value?
d. What is the conclusion? Can you conclude that the data do not follow the normal distribution? Explain.