The correlation coefficient will have a positive sign when
A. X is increasing and Y is decreasing
B. Both X and Y are increasing
C. X is decreasing and Y is increasing
D. There is not change in the values of X and Y
Answer: Option B
A. X is increasing and Y is decreasing
B. Both X and Y are increasing
C. X is decreasing and Y is increasing
D. There is not change in the values of X and Y
Answer: Option B
A. The central limit theorem
B. The law of statistical regularly
C. The law of inertia of large numbers
D. None of the above
The difference between sample statistic and its corresponding population parameter is
A. Sampling error
B. Measurement error
C. Coverage error
D. Non-response error
A. Both (A) and (R) are true
B. (A) is true, but (R) is false
C. (A) is false, but (R) is true
D. Both (A) and (R) are false
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