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An experiment was conducted to compare four different laundrydetergents and four different washing times. The response variablewas a measure of whiteness of pre-soiled clothes washed by eachof the 16 treatment combinations. Each treatment combination wasreplicated three times, a total of 48 washings. The F ratios of forthe main effects and interaction are shown below.Effect F-ratioDetergent 2.23Time […]