Business Statistics And Research Methods - Study Mode

[#181] The intersecting point of two regression lines is
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(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.
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(A) Both (A) and (R) are true

[#183] The data obtained by economic times are
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(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:
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(C) Exclusive class

[#185] Secular trend cannot be measured by
Correct Answer

(C) Weighted Average Method