Keyboard and Word Processing Narrative

Essay

Keyboard and Word Processing Narrative
The data shown below were taken from a 2 * 3 factorial experiment to examine the effects of factor A (keyboard configuration, 3 levels) and factor B (word processing package, 2 levels). Each cell consists of four replicates, representing the number of minutes each of four secretaries randomly assigned to that cell required to type a standard document.
Factor B
-Refer to Keyboard and Word Processing Narrative. Is there sufficient evidence at the 5% significance level to infer that factors A and B interact? Explain why or why not.