homework4 - Stat 651 (Winter 2011) Kaizar Homework 4 Due by...

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Unformatted text preview: Stat 651 (Winter 2011) Kaizar Homework 4 Due by 5:00pm, Friday February 11 . To receive credit please follow the instructions given in the syllabus. All numbered problems are from the course textbook. Reading : Lohr, Chapter 4, sections 1-5 Exercises 1. For each of the following situations, indicate how you might use ratio estimation. Explain why the ratio estimation may be valuable for each case. (a) Estimate the total weight of usable meat (discarding bones, fat and skin) in a shipment of chickens where the total number of chickens in the shipment is unknown. (b) Estimate the average age of the trees in a forest stand. Determining the age is cumbersome because one needs to count the tree rings on a core taken from the tree. In general, though, the older the tree, the larger the diameter, and diameter is easy to measure. (c) Estimate the proportion of time devoted to sports in broadcast television news shows (discounting the commercials) in Columbus in 2006....
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homework4 - Stat 651 (Winter 2011) Kaizar Homework 4 Due by...

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