solve using pearsons method

3. Chapter 17: (10 marks) Do consumers spend more on a trip to Store A or Store B? Suppose researchers interested in this question collected a systematic sample from 84 Store A customers and 80 Store B customers by asking customers for their purchase amount as they left the stores. Suppose researchers decide to test the hypothesis that the means are equal. These results are summarized by the table below. Use a = 0.05 to test if the means are equal. Store A | Store B y 45 51 Ss 21 19