Business Statistics And Research Methods - Study Mode
[#451] Arrange the following statements in chronological order. 1. Normal distribution was discovered by English mathematician De Moivre. 2. Rediscovered and applied in Science, both natural and social and in parochial affairs by Laplace. 3. Normal distribution was extensively development and utilised by Carl Friedrich Gauss.
Correct Answer
(A) 1, 2, 3
[#452] Consider the following statements. Statement-I: When the null hypothesis is true but as per the hypothesis-testing, it is rejected, it is known as beta type error in hypothesis testing. Statement-II: Chi-square test is exclusivelya non-parametric test.
Correct Answer
(B) Both the statements are false
[#453] The most appropriate average to be used to compute the average rate of growth in population is
Correct Answer
(C) Geometric mean
[#454] The geometric mean of 864 and 512 is-
Correct Answer
(B) 64
[#455] The coefficient of correlation
Correct Answer
(D) Varies between ± 1