Show your work An airline wants to select a computer software package for its re

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An airline wants to select a computer software package for its reservation system. Four software packages (1. 2, 3, and 4) are commercially available. The airline will choose the package that bumps as few passengers as possible during a month. An experiment is set up in which each package is used to make reservations for 5 randomly selected weeks. (A total of 20 w was included in the experiment.) The number of passengers bumped each week is obtained, which gives rise to the following output: ANOVA Source of Variation Between Groups Within Groups df MS p- value 212 136 F crit 3.23886 3 8.304985 0.00147 8.52 Total 348.8 35) The within groups degrees of freedom is 35) A) 16. B) 19. C) 4. D) 3. 36) The total degrees of freedom is 36) A) 4. B) 3. C) 16. D) 19. 37) The among- group (between-group) mean squares is 37) A) 212.4. B) 637.2. C) 8.525. D) 70.8.

Explanation / Answer

35) within groups degrees of freedom = SSwithin / MSwithin = 136.4 / 8.525 = 16

Option-A) 16

36) Total degrees of freedom = dfbetween + dfwithin = 3 + 16 = 19

Option-D) 19

37) MSbetween = SSbetween / dfbetween = 212.4 / 3 = 70.8

Option-D) 70.8

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