8. In the previous problem is there convincing evidence that customers spend more money at Store 2 Test an appropriate h

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8. In the previous problem is there convincing evidence that customers spend more money at Store 2 Test an appropriate h

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8 In The Previous Problem Is There Convincing Evidence That Customers Spend More Money At Store 2 Test An Appropriate H 1
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8. In the previous problem is there convincing evidence that customers spend more money at Store 2 Test an appropriate hypothesis using a significance level of 0.05 (a) (3 points) State the null and alternative hypotheses (b) (6 points) Calculate the test statistic (c) (2 points) Estimate the P-value (d) (4 points) State your conclusion in context to the problem

8. In the previous problem is there convincing evidence that customers spend more money at Store 2? Test an appropriate hypothesis using a significance level of 0.05. (a) (3 points) State the wall and alternative hypotheses (b) (5 points) Calculate the test statistic (c) (2 points) Estimate the P-value (d) (4 points) State your conclusion in context to the problem

7. Do customers spend more money on a trip to Store 2 compared to Store 12 Suppose researchers interested in this question collected a random sample from 85 customers of Store 1 and 80 Store 2 customers. The data collected are summarised in the table below Store 1 Store 2 n 85 80 1 $45 853 8 $21 $19 (a) (3 points) Calculate the degrees of freedom for the problem. (b) (6 points) Construct 95% confidence interval for the difference in the average spent at each store (c) (2 points) Interpret your confidence interval.

8. In the previous problem is there convincing evidence that customers spend more money at Store 2? Test an appropriate hypothesis using a significance level of 0.05. (a) (3 points) State the null and alternative hypotheses (b) (5 points) Calculate the test statistic (*) (2 points) Estimate the P-value (a) (4 points) State your conclusion in context to the problem
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