The heights (in cm)for a random sample of 60 males were measured.The sample mean is 166.55,the standard deviation is 12.57,the sample kurtosis is 0.12,and the sample skewness is −0.23.The following table shows the heights subdivided into non-overlapping intervals. For the heights subdivided into five intervals,the expected frequency of males that weigh less than 150 is _____.
A) 5.4
B) 12.6
C) 18.6
D) 8.4

Question

The heights (in cm)for a random sample of 60 males were measured.The sample mean is 166.55,the standard deviation is 12.57,the sample kurtosis is 0.12,and the sample skewness is −0.23.The following table shows the heights subdivided into non-overlapping intervals.  For the heights subdivided into five intervals,the expected frequency of males that weigh less than 150 is _____.
A) 5.4 
B) 12.6 
C) 18.6 
D) 8.4

Quizplus · Accepted Answer

The Answer of The heights (in cm)for a random sample of 60 males were measured.The sample mean is 166.55,the standard deviation is 12.57,the sample kurtosis is 0.12,and the sample skewness is −0.23.The following table shows the heights subdivided into non-overlapping intervals.  For the heights subdivided into five intervals,the expected frequency of males that weigh less than 150 is _____.
A) 5.4 
B) 12.6 
C) 18.6 
D) 8.4

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