Questions from Applied Statistics

Q: On the Internet, look up two influential thinkers in quality control

On the Internet, look up two influential thinkers in quality control, and briefly state their contributions.

Q: Explain the role of statisticians in quality improvement.

Explain the role of statisticians in quality improvement.

Q: The price of a particular stock over a period of 60 days

The price of a particular stock over a period of 60 days rises (1) or declines (2) in the following pattern. Research question: At α = .05, is the pattern random? + + - - - + + + + + + + - - - - + + -...

Q: Which statement is correct for a simple regression? Why not the

Which statement is correct for a simple regression? Why not the others? a. A 95% confidence interval (CI) for the mean of Y is wider than the 95% CI for the predicted Y. b. A confidence interval for...

Q: Which data type (categorical, numerical) is each of the

Which data type (categorical, numerical) is each of the following? a. Your current credit card balance. b. Your college major. c. Your car’s odometer mileage reading today.

Q: Explain the difference between SQC and SPC.

Explain the difference between SQC and SPC.

Q: Identify three common quality improvement programs and give their acronyms.

Identify three common quality improvement programs and give their acronyms.

Q: Which statement is false? Explain. a. In the

Which statement is false? Explain. a. In the hypergeometric distribution, sampling is done without replacement. b. The mean of the uniform distribution is always (a + b)/2. c. We use the geometric dis...

Q: Name the survey instrument used to measure service quality. What are

Name the survey instrument used to measure service quality. What are the five service quality dimensions?

Q: Which statement is true for a normal distribution? Why not the

Which statement is true for a normal distribution? Why not the others? a. The shape of the PDF is always symmetric regardless of μ and σ. b. The shape of the CDF resembles a bell-shaped curve. c. Whe...