The pooled proportion estimate is used when:
A. the proportion of successes from sample 1 equals the proportion of successes from sample 2.
B. the total number of successes in both samples divided by the total of both sample sizes equals 1.
C. the null hypothesis states that the two population proportions differ by some non-zero number.
D. None of these choices.
Analysis:
A. Incorrect. None of these choices.
B. Incorrect. None of these choices.
C. Incorrect. None of these choices.
D. Correct. None of these choices.
ANSWER : D
You might also like to view...
The _________ is the higher-status person and the ____________is the lower-status person.
a. superior; subordinate b. subordinate; superior c. inferior; subordinate d. superior; inferior
A _____ is highly involved in the implementation of supply chain management systems, because they access corporate databases.
A. database administrator B. database programmer C. network administrator D. systems analyst
This question has two parts; be sure to answer both. First, explain the three steps in the OD process. Next, suppose you are a student member of your college's or university's committee that is attempting to study why an excessive number of students drop out of your college. Give examples of activities your task force might take in each stage of its OD process.
What will be an ideal response?
A major disadvantage of comparative scales would be which of the following?
A) Halo or carryover effects are reduced. B) Respondents bring the same point of reference to a task. C) The resulting data measures relative differences. D) Only big differences between objects can be detected. E) A researcher cannot generalize beyond the objects under study.