A random sample of 31 charge sales showed a sample standard deviation of $50 . A 90% confidence interval estimate of the population standard deviation is
a. 1,715.10 to 4,055.68
b. 1,596.45 to 4,466.73
c. 39.96 to 66.83
d. 41.39 to 63.68
D
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The costs of nonconformance are made up of
A) prevention costs and appraisal costs. B) internal failure costs and external failure costs. C) vendor performance and customer satisfaction. D) product design and production performance.
What is a collection of large complex data sets that cannot be analyzed using traditional database methods and tools?
A. Big data B. Snapshot C. Internet of things D. Knowledge
Sara sets the stretch goal of increasing her productivity on evaluating claims forms by 20 percent, meaning that
A) it will be quite easy for her to attain the 20 percent improvement. B) she will have to improve her motivation to even try to attain the 20 percent. C) with some concentrated effort she can reach the 20 percent. D) her chances of increasing productivity by 20 percent are quite small.
Which of the following primarily deal with indirect goods?
A. e-distributors and industry consortia B. e-distributors and e-procurement Net marketplaces C. exchanges and industry consortia D. exchanges and e-procurement Net marketplaces