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Problem 1: The employees have indicated that 95% of employees in one of the departments are receiving higher salaries than any other department because their supervisor parties with them each weekend. Some employees only have an hourly rate which you have to calculate their yearly salary before completing the calculations.
Please calculate the 95% standard deviation for each department and indicate for me if any department is receiving on average $2k or more on the high end.
What I need are relevant questions for a survey questionnaire that will be valid for testing each of 3 hypotheses. Include the variables tested.
the random walk theory of prices of securities states that price movements in disjoint time periods are independent of
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This set of height measurements are recorded in centimeters. Answer the following questions using the Histogram Applet. Is 1.7cm a Plausible mean value? Explain.
Compare and contrast internal and external validity. Describe and give examples of research questions for which external validity is a primary concern.
a new muscle relaxant is available. researchers from the firm developing the relaxant have done studies that indicate
we want to estimate the mean population. a random sample of subjects is selected and the sample mean is computed. what
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Specific part of which 10 are defective and 90 are non defective. three parts are selected without replacement. construct a tree diagram representing the sample space.
It is generally believed that electrical problems affect about 14% of new cars. An automobile mechanic conducts diagnostic tests on 128 new cars on the lot. What is the standard deviation for the sample proportion?
The company recorded the type of the most recent visit to a doctor by each employee.State the decision rule. Use 0.01 significance level. Comute the value of teh Chi-Square.
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