Question

Asked Jan 17, 2020

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Estimating Length Given below is a Minitab display resulting from two-way analysis of variance with sample data consisting of 18 different student visual estimates of the length of a classroom. The values are categorized according to sex and major (math, business, liberal arts). What do you conclude about an interaction between sex and major?

Step 1

From the given Minitab output, it can be observed that the *P*-value corresponding to the interaction effect between sex and major is 0.832.

**Decision rule:**

Reject the null hypothesis when the *P*-value is lesser than the desired level of significance α. Otherwise, do not reject the null hypothesis.

Step 2

Here,

Null hypothesis: There is no interaction effect between sex and major.

Alternat...

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