The heights (in cm) for a random sample of 60 male employees of S&M Construction Company were measured. The sample mean is 166.5, the standard deviation is 12.57, the sample kurtosis is 0.12, and the sample skewness is −0.23. The Jarque-Bera test statistic for normality is assumed to follow a distribution with the following degrees of freedom ________.

Question

The heights (in cm) for a random sample of 60 male employees of S&M Construction Company were measured. The sample mean is 166.5, the standard deviation is 12.57, the sample kurtosis is 0.12, and the sample skewness is −0.23. The Jarque-Bera test statistic for normality is assumed to follow a  distribution with the following degrees of freedom ________.

Quizplus · Accepted Answer

The Jarque-Bera test statistic follows a chi-square distribution with 2 degrees of freedom, regardless of the sample size or any other characteristics of the data. Therefore, the answer is (B) 2.

The Heights (In Cm) for a Random Sample of 60