The statement µ > 3 is an example of a ______.
a. directional null hypothesis
b. directional alternative hypothesis
c. non-directional null hypothesis
d. non-directional alternative hypothesis
b. directional alternative hypothesis
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A budget is a
a. list of expenditures for a year. b. commitment to better staff salaries. c. statement of goals in financial terms. d. simple method of controlling expenses.
One advantage of a teacher-made test over a standardized achievement test is that the teacher-made test has greater
A. interpretability. B. objectivity. C. relevance. D. reliability.
What is the difference between a heuristic and an algorithm?
What will be an ideal response?
The gains made in public schooling by southern blacks during Reconstruction came as a direct result of
B. federal troops' enforcement of blacks' civil rights. C. an increase in democratic sentiments in the South. D. All these answers are correct.