Return to Students2.xls. a. Working from the original data, and using no special functions except =.

Return to Students2.xls. a. Working from the original data, and using no special functions except__=__SUM,__=__COUNT, and__=__SQRT, calculate the mean, median, mode (if it exists), range, variance, standard deviation, and coefficient of variation for Height. b. Check your answers in part a making full use of special functions. c. Calculate the range that should include 95% of all values, according to the empirical rule for bell-shaped data. Find the percentage of values that actually do fall in this range. How good is the rule?