The file Market Penetration contains the market penetration value (that is, the percentage of the country population that are users) for the 15 countries the lead the world in total number of Facebook users:
50.19 25.45 4.25 18.04 31.66 49.14 39.99 28.29
37.52 28.87 37.73 46.04 52.24 38.06 34.91
a. Compute the mean, median, and mode.
b. Compute 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 Facebook's market penetration?