When the mean value of the dependent variable is independent of variation in the independent variable, the slope of the regression line is
A. positive.
B. zero.
C. negative.
D. infinite.
Answer: B
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The addition law is potentially helpful when we are interested in computing the probability of
A. independent events B. the intersection of two events C. the union of two events D. conditional events
To avoid performance appraisal problems, managers should do all of the following EXCEPT:
A. use multiple raters. B. let employees determine their initial evaluation grade. C. give the measure the OUCH and Blanchard tests. D. train all evaluators. E. minimize trait-based evaluations whenever possible.
The Revised Uniform Partnership Act is a federal statute that holds in all states
Indicate whether the statement is true or false
Which of the following is a weakness in survey research?
a. Inferring that correlation of two items indicates causation b. Administering the collection instrument to a small test sample before conducting the full survey c. Surveying only a sample instead of the entire population d. All of the above are weaknesses