Author Question: If the number of elements to be sampled is not decided in advance, but determined by a series of ... (Read 74 times)

bcretired · **on:** Jun 29, 2018

If the number of elements to be sampled is not decided in advance, but determined by a series of decisions as the data are collected, the sample is
a. sequential.
b. quota.
c. accidental.
d. fixed.
e. None of the above are correct.

Question 2

Which of the following statements is CORRECT?
a. A low incidence means that a high percentage of the general population of interest qualifies for inclusion in the study.
b. A low incidence means that a low percentage of the general population is expected to respond to the study.
c. A low incidence means that a low percentage of the general population qualifies for inclusion in the study.
d. A low incidence means that a low percentage of the general population will participate in the study.
e. None of the above are true statements.