Answer the following problem showing the step-by-step process of Hypothesis Testing. You may use Excel to compute for the hypothesis testing results. The summarized tabulated results should be included in solution. PROBLEM: A consumer research group wanted to find out if there is a significant difference in the contents of 2 different products of 180 ml commercial shampoo. The actual contents obtained from 10 samples of product Shampoo A and 12 samples of Shampoo B are indicated below. Use α=.05 level of significance to determine if there is a difference.

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