13 6 1 1 2 3 3 3 4 5 5 6 7 7 8 10 7 0 2 2 3 4 4 5 7 8 9 7 8 0 1 3 4 6 6 7 6 9 1 2 3 5 8 9 3 10 2 7 9 1 11 6 100 b. Distribution of wait times is fairly symmetrical, may be slightly skewed to the right. L02-05 2.41 a. Stem and Leaf plot for Ratings stem unit = 1 leaf unit = 0.1 Descriptive statistics Frequency Stem Leaf 1 36 0 0 37 3 38 0 0 0 4 39 0 0 0 0 5 40 0 0 0 0 0 6 41 0 0 0 0 0 0 6 42 0 0 0 0 0 0 8 43 0 0 0 0 0 0 0 0 12 44 0 0 0 0 0 0 0 0 0 0 0 0 9 45 0 0 0 0 0 0 0 0 0 7 46 0 0 0 0 0 0 0 3 47 0 0 0 1 48 0 65 Distribution is slightly skewed to the left. b. c. Since 19 of the ratings are below 42 it would not be accurate to say that almost all purchasers are very satisfied. L02-05 2.42 tabulation tables are used to study association between categorical variables. L02-06 2.43 Each cell is filled with the number of observations that have the specific values of the categorical variables associated with that cell. L02-06
13 6 1 1 2 3 3 3 4 5 5 6 7 7 8 10 7 0 2 2 3 4 4 5 7 8 9 7 8 0 1 3 4 6 6 7 6 9 1 2 3 5 8 9 3 10 2 7 9 1 11 6 100 b. Distribution of wait times is fairly symmetrical, may be slightly skewed to the right. L02-05 2.41 a. Stem and Leaf plot for Ratings stem unit = 1 leaf unit = 0.1 Descriptive statistics Frequency Stem Leaf 1 36 0 0 37 3 38 0 0 0 4 39 0 0 0 0 5 40 0 0 0 0 0 6 41 0 0 0 0 0 0 6 42 0 0 0 0 0 0 8 43 0 0 0 0 0 0 0 0 12 44 0 0 0 0 0 0 0 0 0 0 0 0 9 45 0 0 0 0 0 0 0 0 0 7 46 0 0 0 0 0 0 0 3 47 0 0 0 1 48 0 65 b. Distribution is slightly skewed to the left. c. Since 19 of the ratings are below 42 it would not be accurate to say that almost all purchasers are very satisfied. L02-05 2.42 tabulation tables are used to study association between categorical variables. L02-06 2.43 Each cell is filled with the number of observations that have the specific values of the categorical variables associated with that cell. L02-06
Solution-Manual-for-Business-Statistics-in-Practice-7th-Edition-by-Bruce-Bowerman.docx