The following data show the company/chain name, the average sales per store ($1,000s), and the food segment industry for 47 restaurant chains. 2012 U.S. Average 2012 U.S. Average Sales per Store Sales per Store Company Segment ($1,000s) Company Segment ($1,000s) Company 1 Sandwich 993 Company 25 Chicken 947 Company 2 Snacks 207 Company 26 Snacks 2,428 Company 3 Chicken 1,728 Company 27 Pizza/Pasta 475 Company 4 Chicken 1, 174 Company 28 Burger 2,600 Company 5 Burger 1,195 Company 29 Mexican 1,093 Company 6 Burger 1,470 Company 30 Sandwich 2,437 Company 7 Burger 903 Company 31 Pizza/Pasta 819 Company 8 Chicken 3,148 Company 32 Pizza/Pasta 565 Company 9 Mexican 2,123 Company 33 Pizza/Pasta 873 Company 10 Chicken 697 Company 34 Chicken 1,242 Company 11 Pizza/Pasta 905 Company 35 Mexican 956 Company 12 Burger 1,828 Company 36 Sandwich 345 Company 13 Burger 535 Company 37 Burger 1,064 Company 14 Mexican 1,100 Company 38 Snacks 1,213 Company 15 Pizza/Pasta 700 Company 39 Burger 1,710 Company 16 Snacks 857 Company 40 Sandwich 481 Company 17 Chicken 1,485 Company 41 Mexican 1,353 Company 18 Burger 1, 059 Company 42 Snacks 1, 105 Company 19 Burger 135 Company 43 Burger 1,494 Company 20 Burger 1,945 Company 44 Burger 2,006 Company 21 Burger 1,389 Company 45 Burger 1,284 Company 22 Snacks 705 Company 46 Chicken 892 Company 23 Sandwich 2,546 Company 47 Chicken 1,766 Company 24 Sandwich 889(a) What was the mean U.S. sales (in thousand dollars) per store for the 47 restaurant chains? (Round your answer to one decimal place.) $ thousand (b) What are the first and third quartiles (in thousand dollars)? first quartile thousand third quartile $ thousand What is your interpretation of the quartiles? --Select-- |percent of the restaurants have an average sales per unit less than or equal to the first quartile and ---Select--- | percent of the restaurants have an average sales per unit greater than or equal to the third quartile. (c) Show a boxplot for the level of sales. O 500 1000 1500 2000 2500 3000 3500 O 500 1000 1500 2000 2500 3000 3500 LL O 500 1000 1500 2000 2500 3000 3500 500 1000 1500 2000 2500 3000 3500 Are there are any outliers in terms of sales that would skew the results? O Yes O No(d) Develop a frequency distribution showing the average sales (in thousand dollars) per store for each segment. (Round your answers to the nearest thousand dollars.) Average Sales per unit Segment ($1,000s) Burger $ thousand Chicken thousand Mexican $ thousand Pizza/Pasta thousand Sandwich $ thousand Snacks $ thousand Comment on the results obtained. The segment with lowest average sales per unit is ---Select