Question: A researcher conducts a two-way ANOVA test with interaction and provides the following ANOVA table. a. At the 1% significance level, can you conclude that

A researcher conducts a two-way ANOVA test with interaction and provides the following ANOVA table.

a. At the 1% significance level, can you conclude that there is interaction between the two factors?
b. Are you able to conduct tests based on the main effects? If yes, conduct these tests at the 1% significance level. If no, explain.

Source of Variation Sample Columns 169.861 2 84.930 32.208 1.13E-06 Interaction 4.241 2 2.120 0.804 0.4629 Within f MS F p-value 30.827 1 30.827 11.690 0.0031 47465 18 2.637 Total252.393 23

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