Question

1. The following data set is the average sulfur dioxide (SO,) level in 28 major American cities. Albuquerque Atlanta Baltimore Charleston Chicago Cincinnati Cleveland 10 Phoenix 10 Pittsburgh 16 Salt Lake City 29 San Francisco 9 Memphis Dallas 24 Denver 47 Detroit 31 Houston 11 10 61 28 12 29 56 69 Washington DC 17 Miami 35 Milwaukee 10 Minneapolis 110 Indianapolis 28 Nashville 14 New Orleans 30 Philadelphia 18 Seattle 23 Kansas City Louisville 9 St. Louis 29 65 Which of the following is the correct frequency table for this data with a starting point at 0 and a class width of 20? d. b. C. a. Frequency Frequency Class 0- 20 Frequency Class Class Class Frequency 0 - 20 0- 19 20 - 39 12 12 0- 19 12 12 20 - 40 40 - 60 8. 20 - 40 10 10 20 - 39 2 40 - 59 2 40 - 60 40 - 59 60 - 80 80 - 100 100 - 120 60 - 79 60 - 80 60 - 79 4. 80 - 99 80 - 100 80 - 99 100 - 119 100 - 120 100 - 119 2. Milligrams of sodium in a serving of 87 popular breakfast cereals are summarized in the frequency table below. What is the overall shape of this distribution of data? Milligram of Sodium 0- 49 Frequency 50 - 99 100 - 149 12 17 150 - 199 23 200 - 249 19 250 - 299 10 300 - 349 d. Uniform c. Skewed left b. Skewed right a. Normal

Answer 1

- Il Punol хотылет Answer: 1 The frequency table for this sulfur dioxide os dollaos. The averages oce, 11,24, 47, 37,110,23,65,9,17,35,10,2814, 30, 10,10,16,29,18,9,69,10,61,28.12,29,56,29, The starting point at 'o' & width is 20. class class Mark Frequency. 0-19 LIHT 11 20-39 HIT HIT 40-59 60-79 8o-ogg 100-119 1 Total 28. option f' is correct. Option 's' correct. 2) The data is. 97 gadium (mg) F .257 0.5-49.5 I Skewed. 49.5-99.5 5 3 99.5-149.5 12 149.5-199.5 17 199.5-249.5 23 249.5-299.5 is 299.5-849.5 10 sodium in mg. Pet T be consistine estimu egatively Frequency von 8 & Longiggis at 293.5