Is temperature a suitable level differentiator

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Reference no: EM1373397

Q. A researcher is interested in determining the effect of different detergents also water temperatures on a new material. The researcher select four different detergents based on several properties also conducted a series of experiments at 3 different water temperatures. Cleanliness was quantified using a construct measure. The code data is shown in the subsequent table.

Temperature 1 2 3 4
Cold 7 7 15 11
Warm 12 17 12 18
Hot 14 18 18 19

Answers the subsequent questions based on these results:

a) Is "Temperature" a suitable level differentiator ?

b) Computes the 2-way ANOVA.

c) Plot the residuals against fits.

d) Plot the main effects for Temperature.

e) Elucidate what are your conclusions?

Reference no: EM1373397

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