Business Statistics And Research Methods - Study Mode

[#211] Match the following. List-I List-II a. Contingency table 1. A statistical test in which the null hypothesis is true and the test statistics has F-distribution b. Non-parametric statistics 2. Do not depend on the shape of the distribution of the population c. Parametric statistics 3. Number and nature of parameters are fixed in advance d. F-test 4. Used to record and analyse the relationship between two variables or more variables, basically categorical variables
Correct Answer

(B) a-4, b-2, c-3, d-1

[#212] What is the measure of relative dispersion?
Correct Answer

(C) Coefficient of variation

[#213] If 'x' and 'y' are independent variables, then the two lines of regression are
Correct Answer

(B) x = constant, y = constant

[#214] If $$x = X - overline X $$ xa0 and $$y = Y - overline Y $$ xa0 be n number of pair terms, then
Correct Answer

(A) $$r = frac{{sum xy}}{{sqrt {sum {x^2}sum {y^2}} }}$$

[#215] If expected frequency in a cell is less than 5, we combine adjacent cells, so that make it 5 or more than
Correct Answer

(A) 5