How do prices at online grocers compare to prices at supermarkets? A market basket of 14 items was purchased with the following results: Company Total Cost Type Supermarket Morton Williams Store 72.77 Peapod (New York) 72.95 Online FreshDirect 75.13 Online Safeway Store 58.16 Supermarket Safeway.com 75.85 Online AmazonFresh 62.13 Online Walmart.com 52.70 Online Instacart 72.19 Online Kroger Store 57.00 Supermarket Peapod (Indianapolis) 70.57 Online Source: Data extracted from G. A. Fowler, "Price Check: Do Online Grocers Beat Supermarkets?" The Wall Street Journal, 8 January 2014, p. DI-D2. For supermarkets and online grocers separately, (a) Compute the mean and median. (b) Compute the variance, standard deviation, and range. (c) Based on the results of (a) and (b), what conclusions can you reach concerning the cost of a basket of products between online grocers and supermarkets?