Standard deviation of steelworkers favour a strike

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Reference no: EM1323067

Q1) A sample of 3,014 steelworkers was chosen to determine if they will go on strike on Monday. Over 50% (actually 53.2%), of those in sample said they would go out on strike. As number sampled is large and those advocating a strike constitute over 50%, can we suppose that majority of all steelworkers favour a strike? (Assume sample is large sufficient and random and representative)

Q2) State magazine once published story saying that farmers lead other groups in consumption of alcohol. As evidence, it pointed to fact that rehabilitation centre located in rural part of state treated more farmers than any other occupational group for alcoholism. Do you agree? Explain why, or why not? Give explanation for your answer (suppose sample is large sufficient and random and representative)

Q3) According to U.S. Bureau of Census Current Construction Report, average price of a new mobile home in western part of United States during 1993 was $40,500. Suppose standard deviation was $8,500. Should mobile home selling for $75,000 be considered outlier? Describe why or why not.

Reference no: EM1323067

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