Business Statistics And Research Methods - Study Mode
[#176] Match the following. List-I List-II a. $${x08eta _1}$$ 1. $${x08eta _2} - 3$$ b. $${x08eta _2}$$ 2. $$frac{{mu _3^2}}{{mu _2^3}}$$ c. $${gamma _1}$$ 3. $$frac{{{mu _4}}}{{mu _2^2}}$$ d. $${gamma _2}$$ 4. $$sqrt {{x08eta _1}} $$
Correct Answer
(D) a-2, b-3, c-4, d-1
[#177] If Σx = 12, Σy = 42, Σx 2 = 46, Σy 2 = 542, Σxy = 157 and n = 4, find the correlation coefficient.
Correct Answer
(B) 0.98
[#178] If two events (both with probability greater than 0) are mutually exclusive, then:
Correct Answer
(B) They also could be complements
[#179] When the regression coefficient is positive the other will be
Correct Answer
(C) Positive
[#180] In a normal distribution the points of inflexion occur at . . . . . . . .
Correct Answer
(A) $$overline X + sigma $$