Question: A retail store wants to test changes in how it sends coupons to customers. Four promising ideas are identified - Coupons A, B, C, and

A retail store wants to test changes in how it sends coupons to customers. Four promising ideas are identified - Coupons A, B, C, and D. There is also a control group of customers who receive the current coupon. 100 customers are randomly divided and receive one of the ideas - A, B, C, D, or control. The amount that each customer spends in the store is tracked. For an ANOVA test of spending under each idea, what are the null and alternative hypotheses in words? Question 3 options: H0: Average spending is equal under all ideas HA: Average spending is different under all ideas H0: Average spending is equal under all ideas HA: Average spending is different under at least one idea H0: Average spending is different under at least one idea HA: Average spending is equal under all ideas H0: Average spending is equal under all ideas when compared to the control group HA: Average spending is greater under at least new coupon idea, when compared to the control group

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