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Question

While reviewing staffing plans for a new pilot plant, Colin Chenaux, VP of Operations at Clovis Chemicals, Inc., designed an experiment to test the effects of "supervisor's style" and "training method" on the productivity of operators. The treatment levels were: (1) authoritarian, and participatory for supervisor's style, and (2) technical manuals, training films, and multimedia for training method. Three qualified applicants were randomly selected and assigned to each of the six cells. Analysis of Colin's data produced the following ANOVA table.
Source of Variation SS df MS F
Rows (supervisor's style) 410.8889 1 410.8889 45.09756
Column (training method) 120.7778 2 60.38889 6.628049
Interaction 2.111111 2 1.055556 0.115854
Within 109.3333 12 9.111111
Total 643.1111 17


Using a= .05, the appropriate decision for "training method" effects is _____________.
a) reject the null hypothesism1 = m2 = m3
b) reject the null hypothesism1 m2 m3
c) do not reject the null hypothesism1 = m2
d) do not reject the null hypothesism1 m2
e) do nothing

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