Business Statistics And Research Methods - Study Mode
[#816] Mean and variance of poisson distribution is equal to
Correct Answer
(B) (m), (Σr 2 P(r) - m 2 )
[#817] The under root of two . . . . . . . . coefficients gives us the value of correlation coefficients.
Correct Answer
(A) Regression
[#818] Among the following choose the most suitable 'test' that can be applied to examine the influence of one factor on different groups.
Correct Answer
(B) 'F' test
[#819] Consider the following statement and identify the wrong statements. Statement I: Accepting null hypothesis, when it is false, is called a level of significance. Statement II: $$1 - alpha $$xa0 is called power of a test. Statement III: Critical value of $$Z$$ - static for two-tailed test at 5% level of significance is 1.96.
Correct Answer
(D) Statements I and II
[#820] In case of conditional probability (A and B) = ?
Correct Answer
(A) P(B) × P(A/B)