Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Business Statistics and Research Methods Research Hypothesis testing
Which of the following statements are true?
(A) A good measure of dispersion is not duly affected by extreme observations
(B) Standard deviation incorporates the effect of extreme values thus making it most reliable measure of dispersion
(C) Co-efficient of determination (R2) is always positive and less than one
(D) Non parametric tests do not require us to make restrictive assumptions about shape of population distribution
(E) Z-test can not be applied when population is normal
Choose the correct answer from the options given below:
1
(A), (C), (D) only
2
(B), (D), (E) only
3
(D), (E) only
4
(A), (D), (E) only