Business Statistics And Research Methods - Study Mode
[#736] Laspreyer's formula
Correct Answer
(A) $${L_{p01}} = frac{{sum {P_1}{q_0}}}{{sum {P_0}{q_0}}} imes 100$$
[#737] Regression analysis is a measure of
Correct Answer
(C) Cause and effect relationship
[#738] Which of the following statements are true? Select the correct option. (1) The coefficient of rank correlation has the same limits as the Karl Pearson's coefficient of correlation. (2) The coefficient of correlation is independent of the change of origin but not of scale. (3) The covariance between X and Y is defined as where and n = number of paired observations. (4) Bxy is called regression coefficient of X variable on Y variable. (5) If bxy is 0.4 and byx is 1.6, coefficient of determination would be 0.8.
Correct Answer
(B) 1, 3 and 4
[#739] Statistical average has significance due to following sequence. 1. To present huge mass of data ina summarised form. 2. To facilitate comparison of different sets of data. 3. To help decision-making. Select the correct answer using the options given below
Correct Answer
(A) 1, 2, 3
[#740] We call the classification of employees on the basis of education and attributes
Correct Answer
(A) Two-way classification or bidirectional classification