Business Statistics And Research Methods - Study Mode

[#166] Assertion (A) The two lines of regression can never be parallel. Reason (R) The two lines of regression always pass through common point (x ยท y). Therefore, they can never be parallel.
Correct Answer

(A) Both (A) and (R) are true and (R) is the correct explanation of (A)

[#167] Statistical mean, which is not affected by extreme values
Correct Answer

(A) Median

[#168] The farther the two regression lines cut each other
Correct Answer

(B) the lesser will be degree of correlation

[#169] Which of the following is correct in a negatively skewed distribution?
Correct Answer

(D) (Q3 - Median) < (Median - Q1)

[#170] Which of the following conditions need to be fulfilled for applicability of T- test?
Correct Answer

(B) The population standard deviation must be unknown