The following data show the company/chain name, the average sales per store ($1,000s), and the food segment industry for 47 restaurant chains. Company Segment 2012 U.S. Average Sales per Store ($1,000s) Company 1 Sandwich 993 Company 2 Snacks 217 Company 3 Chicken 1,718 Company 4 Chicken 1,184 Company 5 Burger 1,195 Company 6 Burger 1,470 Company 7 Burger 893 Company 8 Chicken 3,168 Company 9 Mexican 2,113 Company 10 Chicken 717 Company 11 Pizza/Pasta 915 Company 12 Burger 1,838 Company 13 Burger 535 Company 14 Mexican 1,090 Company 15 Pizza/Pasta 710 Company 16 Snacks 847 Company 17 Chicken 1,475 Company 18 Burger 1,039 Company 19 Burger 1,145 Company 20 Burger 1,925 Company 21 Burger 1,379 Company 22 Snacks 705 Company 23 Sandwich 2,546 Company 24 Sandwich 869 Company Segment 2012 U.S. Average Sales per Store ($1,000s) Company 25 Chicken 947 Company 26 Snacks 2,428 Company 27 Pizza/Pasta 455 Company 28 Burger 2,600 Company 29 Mexican 1,093 Company 30 Sandwich 2,437 Company 31 Pizza/Pasta 839 Company 32 Pizza/Pasta 575 Company 33 Pizza/Pasta 883 Company 34 Chicken 1,252 Company 35 Mexican 976 Company 36 Sandwich 355 Company 37 Burger 1,084 Company 38 Snacks 1,223 Company 39 Burger 1,690 Company 40 Sandwich 481 Company 41 Mexican 1,373 Company 42 Snacks 1,105 Company 43 Burger 1,474 Company 44 Burger 2,006 Company 45 Burger 1,294 Company 46 Chicken 902 Company 47 Chicken 1,776 (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.) $ 1274.1 Incorrect: Your answer is incorrect. thousand (b) What are the first and third quartiles (in thousand dollars)? first quartile $ 873 Incorrect: Your answer is incorrect. thousand third quartile $ 1700 Incorrect: Your answer is incorrect. thousand What is your interpretation of the quartiles? Seventy-five Incorrect: Your answer is incorrect. percent of the restaurants have an average sales per unit less than or equal to the first quartile and twenty-five Correct: Your answer is correct. 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. The box-and-whisker plot has a horizontal axis numbered from 0 to 3500. The box-and-whisker is also horizontal. The left whisker is approximately 217, the left edge of the box is approximately 869, the line inside the box is approximately 1105, the right edge of the box is approximately 1690, and the right whisker is approximately 2600. There is one outlier located at 3168. The box-and-whisker plot has a horizontal axis numbered from 0 to 3500. The box-and-whisker is also horizontal. The left whisker is approximately 0, the left edge of the box is approximately 669, the line inside the box is approximately 1105, the right edge of the box is approximately 1690, and the right whisker is approximately 2600. There is one outlier located at 3168. The box-and-whisker plot has a horizontal axis numbered from 0 to 3500. The box-and-whisker is also horizontal. The left whisker is approximately 217, the left edge of the box is approximately 869, the line inside the box is approximately 1105, the right edge of the box is approximately 1690, and the right whisker is approximately 3168. The box-and-whisker plot has a horizontal axis numbered from 0 to 3500. The box-and-whisker is also horizontal. The left whisker is approximately 217, the left edge of the box is approximately 869, the line inside the box is approximately 1105, the right edge of the box is approximately 1690, and the right whisker is approximately 1690. There is one outlier located at 3168. Changed: Your submitted answer was incorrect. Your current answer has not been submitted. Are there are any outliers in terms of sales that would skew the results? Yes No Incorrect: Your answer is incorrect. (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.) Segment Average Sales per unit ($1,000s) Burger $ 21621 Incorrect: Your answer is incorrect. thousand Chicken $ 13089 Incorrect: Your answer is incorrect. thousand Mexican $ 6615 Incorrect: Your answer is incorrect. thousand Pizza/Pasta $ 4397 Incorrect: Your answer is incorrect. thousand Sandwich $ 7611 Incorrect: Your answer is incorrect. thousand Snacks $ 6545 Incorrect: Your answer is incorrect. thousand Comment on the results obtained. The segment with lowest average sales per unit is Pizza/Pasta Correct: Your answer is correct. .