Assertion (A) The value of coefficient of correlation shall always lie...

Home / Commerce / Business Statistics And Research Methods / Question

Examveda

Assertion (A) The value, of coefficient of correlation shall always lie between -1 < r < +1.
Reason (R) When the value or r = +1 the correlation between the variable is perfect and positive and when r = -1, correlation is said to be perfect and negative.

A. Both (A) and (R) are true

B. (A) is true, but (R) is false

C. (R) is true, but (A) is false

D. Both (A) and (R) are false

Answer: Option A

Related Questions on Business Statistics and Research Methods

A. The central limit theorem

B. The law of statistical regularly

C. The law of inertia of large numbers

D. None of the above

View Answer

A. Sampling error

B. Measurement error

C. Coverage error

D. Non-response error

View Answer

Assertion (A): If regression coefficient of X on Y is greater than one, regression coefficient of Y on X must be less than one.
Reason (R): The geometric mean between two regression coefficients is the coefficient of correlation.

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

View Answer

B. 1

C. 0.4

D. 0.8

View Answer