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The Martin Company is in the process of planning for new production facilities and developing a more efficient distribution system design. At present, it has one plant at St.Louis with a capacity of 30000 units. Because of increased demand, management is considering four potential new plant sites: Detroit, Denver, Toledo and Kansas City. The below table summarizes the projected plant capacities, the cost per unit of shipping from each plant to each destination, and the demand forecasts over a 1-year planning horizon.
Compare your best difference to the result from an ordinary two-sample t-test between these groups. Comment the difference.
Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?
Explain your answer to someone who is familiar with the t test for a single sample, but not with the t test for independent means.
The mean monthly demand for steam boilers is 6.8 with a standard deviation of 1.7. Compare the dispersion of these distributions. Which demand pattern has more relative variation? Explain.
Do the data indicate a significant difference between the frequency distributions for male and females? Test at the .05 level of significance and describe the difference.
If life of wild pheasants follows a normal distribution with a mean of 9 months and a variance of 9, what percent of the population will be less than 11 months of age.
Calculate the Coefficient of Skewness and the Coefficient of Variation for time spent working on QM.
CPI and Subway Fare Find the best predicted cost of subway fare when the consumer Price Index (CPI) is 182.5 (in the year 2000).
Construct a scatterplot, find the value of the linear correlation coefficient r, and find the P- value using a= 0.05. Is there sufficient evidence to conclude that there is a linear correlation between systolic measurement and diastolic measuremen..
Determine critical value if alpha = 0.05? If p-value for this test is 0.025, this p-value means?
The article claims that the distributions of annual returns for both common stocks and long-term government bonds are bell-shaped and approximately symmetric. Assume that these distributions are distributed as normal random variables with the mea..
Infer that the difference in the level of satisfaction with service between the two branches.
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