How do confidence levels compare to significance levels?

How do confidence levels compare to significance levels?
 a. Confidence levels and significance levels are both typically small.
  b. Confidence levels and significance levels are both typically large.
  c. Confidence levels are typically small and significance levels are typically large.
  d. Confidence levels are typically large and significance levels are typically small.

Q. 2

A data point (observation) that does not fit the trend shown by the remaining data is called a(n) _____.
 a. residual
  b. outlier
  c. point estimate
  d. None of the answers is correct.

Q. 3

For the EOQ model, which of the following relationships is incorrect?
 a. As the order quantity increases, the number of orders placed annually decreases.
  b. As the order quantity increases, annual holding cost increases.
  c. As the order quantity increases, annual ordering cost increases.
  d. As the order quantity increases, average inventory increases.

Q. 4

A study is under way to determine the average height of all 29,000 adult pine trees in a certain national forest. The heights of 600 randomly selected adult pine trees are measured and analyzed. The parameter in the study is:
 a. the average height of the 600 randomly selected adult pine trees.
  b. the average height of all the adult pine trees in this forest.
  c. all the adult pine trees in this forest.
  d. the 600 adult pine trees selected at random from this forest.

Q. 5

Compared to the confidence interval estimate for a particular value of y (in a linear regression model), the interval estimate for an average value of y will be _____.
 a. narrower
  b. wider
  c. the same
  d. Not enough information is given.