Business Statistics And Research Methods - Study Mode
[#181] The intersecting point of two regression lines is
Correct Answer
(B) $$overline x ,,overline y $$
[#182] Assertion (A) In mean deviation, everything is considered positive. Reason (R) Sum of the deviations of the value of items in a series from arithmetic mean is zero and from other averages it is nearly zero.
Correct Answer
(A) Both (A) and (R) are true
[#183] The data obtained by economic times are
Correct Answer
(B) Secondary
[#184] In the case of classification of data, the class having its upper limit is treated as the lower limit of its next class is called:
Correct Answer
(C) Exclusive class
[#185] Secular trend cannot be measured by
Correct Answer
(C) Weighted Average Method