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Question: System data for the job shop of Exercise 1 revealed that the average time spent by a job in the shop was approximately 4 working days. The model made the following predictions, on seven independent repli-cations, for average time spent in the shop:
3.70 4.21 4.35 4.13 3.83 4.32 4.05
(a) Is model output consistent with system behavior? Conduct a statistical test, using the level of significance α = 0.01.
(b) If it is important to detect a difference of 0.5 day, what sample size is needed to have a power of 0.90? Interpret your results in terms of model validity or invalidity. (Use a= 0.01.)
6. 23% of the seniors at a high school failed pre-calculus. If 1138 students failed pre-calculus, how many seniors are at this high school?
Using the quadratic regression equation Predict the average county taxes for a house that is 20 years old.
The record height of a man to date is 8 feet 11 inches (107 inches). If all men had identical body types, their weights would wary directly as the cube of their heights. Assume that all men do have identical body types. If a man who is 5 feet 10 inch..
Sara works as the marketing manager of a leading beverage producer. The company is accustomed to promoting its products through newspapers and television. To keep up with the evolving trend of social media marketing, Sara suggests that the company..
Use the two examples in the text as models. Finally, evaluate the restructured arguments. Some may turn out to be good ones.
Use Exercise I to construct an algorithm for determining whether a directed graph contains a circuit.
the population of a city can be modeled by p=125000 e^0.02t where t is the number of years since 1990. what was the population in 1995?
Convex Sets and Linear Transformations, Prove that the following sets are convex, where E stands for the sum symbol:
The revenue from marketing x units of product I and y units of product II is 105x + 121y - .04xy - .1x2 - .2y2. Find the values of x and y that maximize the monopolist's profits.
"Find all times t in the open interval 0
Light Bright Warehouse sells boxes of high efficiency light bulbs ($5 box) and switch plates ($10 each). In May, total sales were $42000. Customers bought five times as many boxes of light bulbs as switch plates. How many of each did Light Bright ..
What's the relationship between the rank of a matrix and singular values in singular value decomposition?
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