The coefficient of correlation is used to determine:
A. the strength and direction of the linear relationship between x and y.
B. the least squares estimates of the regression parameters.
C. the predicted value of y for a given value of x.
D. All of these choices.
Analysis:
A. Correct. The coefficient of correlation is used to determine the strength and direction of the linear relationship between x and y.
B. Incorrect. The coefficient of correlation is used to determine the strength and direction of the linear relationship between x and y.
C. Incorrect. The coefficient of correlation is used to determine the strength and direction of the linear relationship between x and y.
D. Incorrect. The coefficient of correlation is used to determine the strength and direction of the linear relationship between x and y.
ANSWER : A
You might also like to view...
Which of the following is not typically a role for the accountant in a system's implementation?
a. user b. programmer c. analyst d. consultant
For most interviews, asking your own questions is
A) necessary only if you are interviewing for a management position. B) risky and a bad idea unless you are certain the interview is going well. C) just as important as answering the employer's questions effectively. D) usually viewed as a sign of arrogance—after all, the employer is in charge. E) helpful only when you are interviewing for a job at a large organization.
When using a direct order, the good news goes first
Indicate whether the statement is true or false.
______ is a very specific legal term in human resource management meaning harassment that occurs when someone’s behavior at work creates an environment that is sexual in nature and that makes it difficult for someone of a particular sex to work in that environment.
A. Quid pro quo harassment B. Reasonable person C. Sexual harassment D. Hostile work environment