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Laundry Detergent Preference Narrative

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Laundry Detergent Preference Narrative
A consumer would like to know if there is a difference in the performance of three different laundry detergents. Eighteen pieces of white cloth were soiled with grape juice then washed in one of the three detergents A, B, or C. The resulting whiteness readings are listed below, where the larger number indicates whiter fabric. Laundry Detergent Preference Narrative A consumer would like to know if there is a difference in the performance of three different laundry detergents. Eighteen pieces of white cloth were soiled with grape juice then washed in one of the three detergents A, B, or C. The resulting whiteness readings are listed below, where the larger number indicates whiter fabric.   -Refer to Laundry Detergent Preference Narrative. How many degrees of freedom are associated with the F test statistic?
-Refer to Laundry Detergent Preference Narrative. How many degrees of freedom are associated with the F test statistic?

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