The file Mobile Commerce contains the mobile commerce penetration values, the percentage of the country population that bought something online via a mobile phone in the past month , for 24 of the world 's economies.
a. Calculate the mean and median.
b. Calculate the variance, standard deviation, range, coefficient of variation, and Z scores. Are there any outliers? Explain.
c. Are the data skewed ? If so, how ?
d. Based on the results of (a) through (c), what conclusions can you reach concerning mobile commerce population penetration?