Rejecting a poor-quality lot would be a _____.

Rejecting a poor-quality lot would be a _____.
 a. Type I error
  b. Type II error
  c. correct decision
  d. None of the answers is correct.

Q. 2

Using a naive forecasting method, the forecast for next week's sales volume equals
 a. the most recent week's sales volume
  b. the most recent week's forecast
  c. the average of the last four weeks' sales volumes
  d. next week's production volume

Q. 3

What are the two most important characteristics to look for in a scatter diagram?

Q. 4

Accepting a good-quality lot would be a _____.
 a. Type I error
  b. Type II error
  c. correct decision
  d. None of the answers is correct.

Q. 5

One measure of the accuracy of a forecasting model is the
 a. smoothing constant
  b. linear trend
  c. mean absolute error
  d. seasonal index

Q. 6

It is speculated that the number of police officers has a negative linear relationship with number of crimes. Explain why this might be so.