SCENARIO 10-16 An airline wants to select a computer software package for its re

Question

SCENARIO 10-16 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 weeks was included in the experiment.) The number of passengers bumped each week is obtained, which gives rise to the following Excel output:

Q: Referring to Scenario 10-16, the among-group (between-group) mean squares is

A) 212.4

B) 8.525

C) 637.2

D) 70.8

ANOVA Source of Variation SS df MS F P-value F crit Between Groups 212.4 3 8.304985 0.001474 3.238867 Within Groups 136.4 8.525 Total 348.8

Explanation / Answer

Ans: (SS/df)=(212.4/3)=70.8   

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