Business using regression analysis
If you were wanting to forecast sales for a business using regression analysis, what factors would you consider in determining what time periods to include in your analysis?
100 words r more no format needed.
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Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not?
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If you were wanting to forecast sales for a business using regression analysis, what factors would you consider in determining what time periods to include in your analysis? 100 words r more no format needed.
Suppose the following statistics were calculated from data gathered from a randomized block experiment. Can we conclude from these statistics that the treatment means differ?
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The ages of all patients in the isolation ward of a hospital are 38, 26, 13, 41 and 22. What is the population variance?
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