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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.
Suppose that past data are not available for developing a planning value for p; therefore, you will use p = 0.050 for the planning average.
A worker earns $15 per hour at a plant and is told that only 2.5% of all workers make a higher wage. If the wage is assumed to be normally distributed and the standard deviation of wage rates is $5 per hour, the average wage for the plant is $7.50..
Assume that each of the following studies cannot be analyzed using a parametric procedure. For each of the following studies (below), indicate the appropriate nonparametric procedure, and explain why you chose it.
Calculate the sample mean, sample variance, and sample standard deviation for the following data set
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mike dreskin manages a large los angeles movie theater complex called cinema l ll lll lv. each of the four auditoriums
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determine if the improvement is of practical significance one should. Crop researchers plant 100 plots with a new variety of corn. The average yield for these plots is x' = 130 bushels per acre
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The iron content of slag can be estimated magnetically, or measured chemi cally. The magnetic method is quicker and easier, but the chemical method is more precise. Five slag samples are measured both ways.
Draw a histogram of EMXP. Does EMXP have an approximately normal distribution? Does it have an obvious skew (left or right) and any obvious outliers? If an analysis requires that EMXP have a normal distribution, do you think that your results will..
question the performances of a group of interns are evaluated by their supervisors at the end of their
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