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MAD, MSE and MAPE for forecasting.
Compute (a) MAD, (b) MSE, and (c) MAPE for the following forecast versus actual sales figures.
Statistics and Probability, Statistics
A car dealership has 6red,12silver, and 5black cars on the lot. Ten cars are randomly chosen to be displayed in front of the dealership. Complete parts (a) through (c) below. (a) Find the probability that 4 cars are red ...
What tensions emerged in the Southwest that threatened to lead the United States into a war with Mexico? On what grounds did President James K. Polk ask Congress to declare war on Mexico?
Suppose that the number of men equals the number of women, and that Vera is last on the preference list of every man. Prove that under every stable matching, Vera is matched to the same man. Who is the unlucky guy?
Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. Round to three decimal places. n=74, x=12; 95% confidence.
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Scenario: Dr. Olson is interested in the effects of three different methods for losing weight in long-distance truck-drivers. He tested a sample of 60 truck drivers. Participants were randomly assigned to one of three gr ...
According to a study conducted by Dell Computers, 65% of men and 70% of women say that weight is a very important factor in purchasing a laptop computer. Suppose this survey was conducted using 374 men and 481 women. Do ...
Some accounting firms give the client an option to pay a fee when the tax return is completed that guarantees tax advices and support from the accountant if the client were audited. A large accounting firm is trying to d ...
In a prospective study, Data collected extensive information on incidence of coronary heart disease (CHD) among smoker and non-smoker individuals. The table below summarizes the results Risk factor Cases of CHD Non case ...
In your own words! Question 1: Critique and expand upon the statement: Every college graduate should understand the basic principles of the Operations function of a business. Question 2: Identify three current trends in ...
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