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Please describe and define what the chi-square analysis is, the conditions under which it is used, and how it compares to the Pearson Correlation. Also describe and define what log-linear modeling is and the conditions under which it is used. Do not forget the operational definitions and examples!
Develop upper and lower control limits (99.7%) for the proportion of students with complaints.
The director of quality for Harley Davidson is conducting his weekly spot check of the transmission gear box of the newly introduced Wind Phantom series motorcycle.
What is the probability that none of the next eight customers who order beer will order light beer? What is the probability that one customer will? What is the probability that two customers will?
Suppose the following statistics were calculated from data gathered from a randomized block experiment with k = 4 and b = 10:
Identify the population and the sample: A survey of 787 small-business managers found that 72% are optimistic about the future of their company.
Determine the point estimate and 95% confidence interval for the mean family dental expenses of all employees of the company.
A population whose shape is unknown has a median of 75. You selected a sample of 40. The standard deviation of the median is 5. Calculate the probability that the median of the sample or average medians is:
Linda would like to maintain a 90% service level. what safety stock level do you recommend for BX-5?
A paper manufacturer has a production process that operates continuously throughout an entire production shift. The paper is expected to have a mean length of 11 inches, and the standard deviation of the length is 0.02 inches.
To estimate the average time it takes to assemble a certain computer component, the industrial engineer at an electronic firm timed 40 technicians in the performance of this task, getting a mean of 12.73 minutes and a standard deviation of 2.06 mi..
Systolic blood pressures are measured at baseline and again 4 weeks later. Compute a 95% confidence interval for the mean difference in blood pressure over 4 weeks.
How large of a sample would be necessary if no estimate were available for the proportion that support current policy?
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