The file Mobile Loyalty contains spending on products ($) during a three- month period by a sample of 15 customers receiving incentives through a mobile loyalty

a. Compute the mean and median.
b. Compute the variance, standard deviation, range, and coefficient of variation.
c. Are the data skewed? If so, how?
d. Based on the results of (a) through (c), what conclusions can you reach concerning spending on products by customers receiving incentives through a mobile loyalty program?

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55.35 22.90 67.50 46.10 57.45 108.25 50.75 35.20 78.30 50.65 63.00 59.70 41.55 56.65 52.60