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The price of 30 random foods were compared between two different superstore chains. The prices for the products are shown in the accompanying data table.
The price of 30 random foods were compared between two different superstore chains. The prices for the products are shown in the accompanying data table. Complete parts (a) through (c) below. LOADING... Click the icon to view the data table for the prices of the products. Question content area bottom Part 1 a. At the 0.10 level of significance, is there evidence that the mean price of items is higher at store A than at store B? Let mu 1 be the mean prices at store A and let mu 2 be the mean prices for store B. State the null and alternative hypotheses. Choose the correct answer below. A. Upper H 0: mu Subscript Upper Dless than or equals0 left parenthesis where mu Subscript Upper D Baseline equals mu 1 minus mu 2 right parenthesis Upper H 1: mu Subscript Upper Dgreater than0 B. Upper H 0: mu Subscript Upper Dnot equals0 left parenthesis where mu Subscript Upper D Baseline equals mu 1 minus mu 2 right parenthesis Upper H 1: mu Subscript Upper Dequals0 C. Upper H 0: mu Subscript Upper Dgreater than or equals0 left parenthesis where mu Subscript Upper D Baseline equals mu 1 minus mu
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