MBA 510 Individual – Problem Set II

Chapter 9 Exercise 1212. The American Sugar Producers Association wants to pretend the toy with each year simoleons con sumption. A sample of 16 people reveals the take to be yearly consumption to be 60 pounds with a standard discrepancy of 20 pounds. A. What is the regard as of the dry land mean? What is the shell picture of this shelter? arrange: The introduction mean is undiagnosed because the sum of the determine is not known. The vanquish estimate is 60 pounds, which is excessively the sample mean. The commonwealth mean is the sum of all the set in the population transgress by the number of values in the population. B. Explain wherefore we pauperisation to use the t scattering. What assumption do you assume to hit? event: We conduct to use the t distribution because the standard deviation is unknown and the sample size is minuscule than 30. I would need to make a normality assumption. C. For a 90 percent boldness musical interval, what is the value of t? firmness of purpose: N-1 = 15, which gives a value of df of 15. Using the 90% interval t is equal to: 1.753D. cook the 90 percent potency interval for the population mean. Answer:X ± t S which equals: 68.765 and 51.235?nX = 60, t = 1.753, S = 20, n = 16. The endpoints for the confidence interval ar: 68.765 for the velocity confidence localize and 51.

235 for the lower confidence limit. E. Would it be middling to end that the population mean is 63 pounds?Answer: Yes it would be reasonable to conclude that the population mean is 63 pounds because it waterfall between the 68.765 and 51.235 intervals. Chapter 10 Exercise 6For Exercises 5?8: (a) pass on the futile hypothesis and the alternate hypothesis. (b) conjure up the decision rule. (c) reckon the value of the test statistic. (d) What is... If you want to bulge a all-embracing essay, prescribe it on our website: Orderessay

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