Question

Obtain your current grade in this class and calculate/find out your percentile ranking. You will need to convert your grade to z-score in order to find out your percentile ranking. Currently, the average grade for this class is 83.3 and the standard deviation is 6.71. Please show your work/calculation steps.

My Current grade is 92.5%

11. Your current grade in raw/observed score form (i.e., as it appears in the Gradebook) as well as in z-score form. (1 point)

12. Assuming normal distribution, please calculate/find out your percentile ranking in this class, and explain what your percentile ranking represent/mean in relation to your peers. (2 points)

13. A set of GPA had skewness of 3.45, and kurtosis of -5.39. Is this a normal distribution? If so, please explain why. If not, how would you characterize this distribution relative to normal distribution? (2 points)

Answer 1