516/65 Sales of a new product will be profitable if the average of sales per store exceeds 100 per week.

≈ 516/65 Sales of a new product will be profitable if the average of sales per store exceeds 100 per week. The product was test-marketed for one week at 10 randomly chosen stores, with the following results: 120 Assume that sales at each store are at least approximately normally distributed. a. Is this enough evidence to persuade the company to market the new product? b. How would you make the decision if you were deciding whether to market the new product? Would you use hypothesis testing?

Sales of a new product will be profitable if the average of sales per store exceeds 100 per week. The product was test­marketed for one week at 10 randomly chosen stores, with the following...