Business Statistics And Research Methods - Study Mode
[#711] Match the following items of List-I and List-II with regard to hypothesis-testing. List-I List-II a. The ability of test to reject the null hypothesis when it is false 1. Level of significance b. The probability of accepting a false null hypothesis 2. Type I error c. The probability of rejecting a true null hypothesis due to sampling error 3. Type II error d. The probability of rejecting a true null hypothesis 4. Power of a test
Correct Answer
(B) a-4, b-3, c-1, d-2
[#712] Each normal distribution is defined by its two parameters viz.
Correct Answer
(C) mean and standard deviation
[#713] If the percentage error is -2 and the estimated value is 500, then the actual value will be
Correct Answer
(D) 510
[#714] If P(B/A) = p(b), then P(A $$ cap $$ B) =?
Correct Answer
(C) p(b) × p(a)
[#715] The number of COVID19 viruses observed under 5 separate electronic slides were 3, 4, 5, 6 and 7. The sum of squared deviations of observations from their sample mean is:
Correct Answer
(C) 10.0