Differentiate one-step from two-step area sampling, and indicate when each one is preferred.
Answer to relevant QuestionsWhat are some alternative online sampling methods? Describe each one. Last year, Lipton Tea Company conducted a mall-intercept study at six regional malls around the country and found that 20% of the public preferred tea over coffee as a mid-afternoon hot drink. This year, Lipton wants to have ...Describe and provide illustrations of each of the following notions: a. Variability b. Confidence interval c. Acceptable margin of sample error 1. With a desired final sample size of 250 for each region, what is the lowest total number of telephone numbers that should be purchased for each region? 2. With a desired final sample size of 250 for each region, what is ...Because we cannot easily calculate nonsampling errors, how must the prudent researcher handle nonsampling error?
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