The data file Housing Starts shows private housing units started per thousand of population in the United States over a period of 24 years. Compute a simple, centered 5-point moving average series for the housing starts data. Draw a time plot of the smoothed series and comment on your results.
Answer to relevant QuestionsThe data file Earnings per Share shows earnings per share of a corporation over a period of 28 years. Compute a simple, centered 7-point moving average series for the corporate earnings data. Based on a time plot of the ...Refer to the data of Exercise 17.3. If a total sample of 160 households is to be taken, determine how many of these should be from subdivision 1 under each of the following schemes. a. Proportional allocation b. Optimum ...A union executive wants to estimate the mean value of bonus payments made to a corporation's clerical employees in the first month of a new plan. This corporation has 52 subdivisions, and a simple random sample of 8 of these ...Carefully explain the distinction between stratified random sampling and cluster sampling. Provide illustrations of sampling problems where each of these techniques might be useful. Suppose that you were asked by your state office of elections to assist in resolving an election dispute between two candidates, or perhaps you were asked to be a statistical expert in a lawsuit concerning the outcome of a ...
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