Business Statistics - Study Mode
[#171] Match the following. List-I (Moments) List-II (Constants of Binomial Distribution) a. μ 1 1. 0 b. μ 2 2. npq c. μ 3 3. npq (q - p) d. μ 4 4. 3n 2 p 2 q 2 + npq (1 - 6pq)
Correct Answer
(B) a-1, b-2, c-3, d-4
[#172] Given N = 15, $$overline X $$ = 25, $$overline Y $$ = 18, $$sum $$d x 2 = 136, $$sum $$d y 2 = 138, $$sum $$dxdy = 122. There correlation will be
Correct Answer
(A) +0.89
[#173] A collection of information through the library reports and the research studies to build up a knowledge base as a information source for decision making is known as
Correct Answer
(B) Knowledge information
[#174] The system processing is at a higher level, over the
Correct Answer
(A) Application processing
[#175] If an event has no chance of taking place, probability will be
Correct Answer
(B) 0