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Refer to given Exercise. If the weighting systems were different (i.e., 10, 5, and 1), how would the centerline and the control limits change for the U-chart? Discuss changes, if any, in the inferences made about the process.
Exercise 8-32Nonconformities in automobiles fall into three categories: serious, major, and minor. Twenty-five samples of five automobiles are chosen, and the total number of nonconformities in each category is reported. Table shows the results. Assuming a weighting system of 50, 10, and 1 for serious, major, and minor nonconformities, respectively, construct a demerits per unit control chart. Revise the control limits if necessary, assuming special causes for points that are out of control.
What are the strengths and weaknesses of nonparametric tests? Can the outcomes of the nonparametric tests be generalized to populations?
At the 5% level of significance test whether the bottling process is carried out accurately or whether the filling machinery needs calibration. Use both the critical and the p-value approaches.
Of the 500 surveyed, 350 said they would vote for the Democratic incumbent. Using the 0.99 confidence coefficient, what are the confidence limits for the proportion that plan to vote for the Democratic incumbent?
find the average and the sd for the list 11 15 9 7 3. using the average and sd you found convert the values in the list
Calculate the likelihood that the sample mean is between $492 and $512. And what is the probability the sample mean is greater than $550?
an advocacy group is investigating whether gender has an effect on job category in large investment firms. given the
Determine the variance of X? (Illustrate your computation either in Table or in Equation form)
The manufacturer wanted to determine if the tires were exceeding the guarantee. At the .05 significant level, it was concluded that the tires are exceeding the manufacturer's guarantee.
Do the data from this sample provide evidence for a significant increase in REM activity during exams? Use a one-tailed test with _ = .01. B.) Compute Cohen's d to estimate the size of the effect.
consider the series-parallel networks depicted below. each system comprises four components. the time-to-failure for
a manufacturer produces two types of computer monitors monochrome and color. past sales experience shows that at least
Computing the mean and standard deviation for the given data - Find the value for the new standard deviation
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