2. Jill carries out a study to compare the writing lifetime of 3 different types
ID: 3311750 • Letter: 2
Question
2. Jill carries out a study to compare the writing lifetime of 3 different types of pen on 2 different surfaces. For each possibility, she ran 4 trials. Her results are below. Surface 1 16, 12, 8,6, 10, 12, 136 Surface 216, 16, 7,8, 14, 12,146 Brand Brand 2 Brand 3 Total 14, 1410, 8 14, 12 12, 14 100 16, 1410,7 Total 118 64 282 Let Treatment A be brand of pen and Treatment B be writing surface. Complete the ANOVA table. Then, run a hypothesis test with significance level = .05. Interpret your results. You may use that k = 3516 and xi.-14036. ijkExplanation / Answer
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