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According to the sixth annual survey of employees of advertising agencies, carried out by the company Altschuler, Melvoin & Glasser, these employees can wait another excellent year for their compensation (Adveertising Age, December 1, 1997). To investigate if there is any difference in the annual compensation of artistic directors, suppose that a random sample of 10 of them is selected from each of four regions: West, South, North and Northeast, and that you want to conduct the research with a 10 % margin of error. Perform the analysis required for the study.
The base salary (in thousands of dollars) for each individual:
West South North Northeast
60.9 50.8 49.5 65.9
45.9 39.6 42.3 58.6
62.1 44.2 35.5 49.3
66.6 40.0 49.1 52.9
68.0 53.9 56.7 48.5
65.0 45.4 41.4 52.9
49.4 61.1 51.3 52.4
62.3 42.3 49.4 48.1
62.6 38.4 42.1 46.5
57.2 38.3 55.7 45.9
Samantha is working with an equation that contains Greek letter like mu. What does that tell you about the data she is using?
Translate the following into standard-form categorical propositions.- Bromine is extractable from seawater.
Proximity of fast-food restaurants to schools and adolescent overweight. A California study looked at the relationship between the presence of fast-food.
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What is the value of performing hypotheses tests to solve problems related to business and operations management?
Suppose your company needs $18 million to build a new assembly line. Your target debt-equity ratio is 0.84. The flotation cost for new equity is 10 percent
The radar traps at each of the locations L1 L2 L3 L4 are operated 40 30 20 and 30 of the time a person who is speeding on his way to Penn State has a probablities of 2 1 5 and 2 respectivley of passing through these locations what is the probablit..
Run a Pearson correlation matrix on the variables measured on interval and scale ratio. Report the descriptive statistics and identify the strongest and weakest correlations.
At one university, students are given z-scores at the end of the semester rather than the traditional GPAs. The mean and standard deviation of all students’ cumulative GPAs, on which the z-scores are based, are 2.7 and 0.5 respectively.
If the computer manufacturer decides to sample 2,300 of the microchips received in each shipment, what acceptance number, c, would they want?
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