Business Statistics And Research Methods - Study Mode
[#1021] If two events A and B are dependent, the conditional probability of A given B, i.e., P (A/B) is calculated as:
Correct Answer
(D) P(AB) / P(B)
[#1022] Match List-I with List-II and select the correct answer: List-I List-II a. Coefficient of determination 1. $${gamma _{xy}}frac{{{sigma _x}}}{{{sigma _y}}}$$ b. Spearman's rank correlation coefficient 2. $$1 - frac{{6sum {{d^2}} }}{{nleft( {{n^2} - 1}
ight)}}$$ c. Regression coefficient of $$x$$ on $$y$$ variable 3. $$frac{{sum {xy} }}{{n,{sigma _x},{sigma _y}}}$$ d. Karl Pearson's formula of calculating $$gamma $$ 4. $${gamma ^2}$$
Correct Answer
(C) a-4, b-3, c-2, d-1
[#1023] The advent of computers in research has led to:
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(B) tremendous amount of flexibility with marginal increase in cost
[#1024] The sum of squared deviations is minimum when taken from
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(A) mean
[#1025] Statistical Errors means:
Correct Answer
(C) Difference between actual value and estimated value