Statistics For Managers

Solutions/Resolutions Chapter 1 figure out 1.14 a. The two variables measured be ‘ persona of creed card used’ and ‘amount of purchase.’ ‘ typewrite of credit card used’ is qualitative. It has no significant summate associated with it, solo the name of the card used. ‘Amount of purchase’ is quantitative. It has a meaningful number associated with it. b. In Study 1, it says that exclusively purchases were tracked. Thus, the data flirt a population. manage 1.15 tidings Exercise 1.28 a. The data-based units in this study are the 24 projects. b. The population from which the assay was selected is the educate of all new software product emergence projects. c. The variable of post in this project is the outcome of reusing previously developed software for the new software development projects. d. In the sample, 9 of the 24 projects were judged failures. This is (9 / 24)*100% = 37.5%. We could infer that approximately 37.5% o f all projects would be judged failures. Exercise 1.31 Book Chapter 2 Exercise 2.5. Book Exercise 2.10. Exercise 2.15. Book Exercise 2.20. a. The measurement phratry that contains the highest proportion of respondents is “ no(prenominal)”. Sixty-one percent of the respondents said that their companies did not source every computer security functions. b. From the graph, 6% of the respondents indicated that they outsourced between 20% and 40% of their computer security functions. c. The proportion of the 609 respondents who outsourced at least(prenominal) 40% of computer security functions is .04 + .01 + .01 = .06. d. The number of the 609 respondents who outsourced less than 20% of computer security functions is (.27 + .61)*609 = .88(609) = 536. Exercise 2.23. Book Exercise 2.32. the stem-and-leaf expose for the data is: Stem-and-leaf of Time N = 25 Leaf unit of measurement = 1.0 3 3 239 7 4 3499...If you want to mend a full essay, or der it on our website: BestEssayCheap.com

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