Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Science Statistics and Modelling Attributes and Variables
Consider the following statements regarding Chi-Square test:
(a) If X is a random variable following normal distribution with mean µ and standard deviation σ, then \(({{X-µ} \over σ})^2\) is a Chi-Square variate with 1 degree of freedom
(b) It is an appropriate test for testing the goodness of fit of a model / theory to experimental data
(c) It involves computing the squares of the deviations of observed frequencies from the expected frequencies.
Which of the above statements are correct?
1
(a) and (b) only
2
(b) and (c) only
3
(a) and (c) only
4
(a), (b) and (c)