Consider combinations of three factors in the removal of dirt from standard loads of laundry. The first
Question:
Consider combinations of three factors in the removal of dirt from standard loads of laundry. The first factor is the brand of the detergent, X, Y, or Z. The second factor is the type of detergent, liquid or powder. The third factor is the temperature of the water, hot or warm. The experiment was replicated three times. Response is percent dirt removal. The data are as follows:
(a) Are there significant interaction effects at the α = 0.05 level?
(b) Are there significant differences between the three brands of detergent?
(c) Which combination of factors would you prefer to use?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
Question Posted: