1. The following is a sample of scores from a recent Statistics exam: 88, 73, 99, 73,78, 71, 76, 89, 78,94, 79, 87,34, 88,77, 94, 73,72 . Compute the following:
a.) Mode and median.
b.) Mean, variance and standard deviation.
c.) Coefficient of variation and coefficient of skewness.