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Grave City is considering the relocation of several police substations to obtain better enforcement in high-crime areas. The locations under consideration together with the areas that can be covered from these locations are given in the following table:
Potential Location for Substations Areas Covered
A 1, 5, 7
B 1, 2, 5, 7
C 1, 3, 5
D 2, 4, 5
E 3, 4, 6
F 4, 5, 6
G 1, 5, 6, 7
Formulate and solve a 0-1 integer linear program model that can be used to find the minimum number of locations necessary to provide coverage to all areas. Clearly indicate your linear program model.
Jolly Blue Giant Health Insurance is concerned about rising lab test costs and would like to know. Determine the essential sample size?
Compute an F-statistic for each linear construct and determine its significance.
A sample of 12 homes sold last week in St Paul, Minnesota, is selected. The results are shown below and create a scatterplot. Insert the trendline into the graph and show the regression equation.
The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample men and population mean for a sample of n = 100 is 2 points. Explain the difference in the standard error??
What are examples in which regression analysis is used for forecasting? What are some primary and secondary sources of data that may be used in correlation and regression analysis?
Testing for population mean - How would this information be useful to you if you were the college register?
The largest value in a set of data is 160, and the smallest value is 70. If the resulting frequency distribution is to have six classes of equal width, what will be the class interval?
In a shipment of 56 vials, only 13 do not have hairline cracks. If you randomly select one vial from the shipment, what is the probability that it has a hairline crack?
Would it be reasonable to conclude that the population mean is 63 pounds?
Recognize the given samples are independent samples or matched pairs.
Compute the z-score for M = 89 for a sample of n = 25 scores. Is this sample mean in the middle 95% of the distribution?
We are establishing a quality control program for a process and need to establish the mean and standard deviation for the process. The first 10 batches had samples of size 5 taken.
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