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Original data: 50,60,70,80,90,100 Suppose that a single additional observation is obtained. If the new average is 47.58, what is the value of the additional observation? (Assume that the new average is calculated using the original data shown above and the new observation). 94.6 98.6 97.6...
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PRACTICE PROBLEM I WAITING LINE THEORY Chapter 14 C&S bank can operate up to 4 drive-in teller windows. Currently each window costs $10/hr. to operate. Each teller window can serve a customer on the average in 72 seconds. Bank customers arrive at the drive-in service system at an average...
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Mean height of men, mean 68 inches and a standard deviation of 2.5 inches. What is the probability of a man selected at random will have a hight above 72 inches? A sample of 49 meant, what is the probaility that the mean hight is greater than 67 inches (using standard score table)?
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I have a question in regression analysis In regression analysis the coefficient of determination (R^2) is good (0.8). That means 80% correlation exists between dependent & independent variables. But, acual Y values & predicted Y values (dependent variable is Y that is to be estimated) many values... View more questions Search
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