3.8 The file FastFood contains the amount that a sample of nine customers spent for lunch ($) at a fast-food restaurant:4.20   5.03   5.86   6.45   7.

3.8 The file FastFood contains the amount that a sample of nine customers spent for lunch ($) at a fast-food restaurant:4.20   5.03   5.86   6.45   7.38   7.54   8.46   8.47   9.87Compute the mean and median.Compute the variance, standard deviation, range, and coefficient of variation.Are the data skewed? If so, how?Based on the results of (a) through (c), what conclusions can you reach concerning the amount that customers spent for lunch?

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