Donald Heel is the Microwave Oven Division Manager of Sharp Products. Don proposes a $40 cash rebate program as a means of promoting Sharp’s new crisp-broil-and-grill microwave oven. However, Sharp’s president wants evidence that the program would increase sales by at least 25%, so Don applies some of his research budget to a survey. He uses National Phone Systems Company to conduct a nationwide survey using random digit dialing. National Phone Systems is a fully integrated telephone polling company, and it has the capability of providing daily tabulations. Don decides to use this option, and instead of specifying a final sample size, he chooses to have National Phone Systems perform 50 completions each day. At the end of five days of field work, the daily results are as follows:
For how much longer should Don continue the survey? Indicate your rationale.
Answer to relevant QuestionsDescribe and provide illustrations of each of the following notions: a. Variability b. Confidence interval c. Acceptable margin of sample error Why is it important for the researcher and the marketing manager to discuss the accuracy level associated with the research project at hand? A new mall intercept company opens its offices in a nearby discount mall, and its president calls on the insurance company where you work to solicit business. It happens that your company is about to do a study on the market ...Define “nonresponse.” List three types of nonresponse found in surveys. How does parameter estimation for a mean differ from that for a percentage?
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