Question

43. To examine the readability of Clancy, Rowling and Tolstoy, twelve randomly selected pages from an example book from each author were sampled and a Flesch Reading Ease score (high scores indicate easier reading) was computed based on the sampled pages. The mean Flesch Reading score is noted in the table below for each author. Test the appropriate hypotheses at the Q = 0.001 level to decide if the readability differs between the authors. The following is the summary of the data. Will a Chi-Squared test (x?) will be appropriate to test this hypothesis? n Mean Std. Dev. Clancy 12 70.73 11.33 Rowling 12 80.75 4.68 Tolstoy 12 66.15 7.86 a) True/Yes b) False/No I NININ 44. The table below shows the number deaths in different occupations due to homicide or other causes. (Source US Dept.of Labor, Bureau of Stats) Test the appropriate hypothesis at the a = 0.1 to decide if there is an association between type of death (homicide or other) and occupation. The following is the summary of the data. Will a Chi-Squared test (x2) will be appropriate to test this hypothesis? Homicide Other than homicide Total Police 82 92 174 Cashiers 107 9 116 Taxi Drivers 70 29 99 a) Guards 59 42 True/Yes Total 318 172 490 b) False/No 101

Answer 1

43. b) False/No

44. a) True / Yes

Please give a thumbs up if you like the solution.