Question Details

When the set of n expected and observed frequencies are same, the chi square value 



1. Degrees of freedom for a chi-square test of independent with contingency table of
order mXn is,
(i) mXn (ii) m-1 X n-1 (iii) m+1 X n+1 (iv) None of these

2. Degrees of freedom for a chi square test of independence with contingency table of order 3X4 is,
(i) 12 (ii) 6 (iii) 7 (iv) 20
3. When the degree of freedom increases indefinitely, chi square distribution tends to
(i) Normal distribution (ii) t distribution (iii) F distribution (iv) None of these

4. When the set of n expected and observed frequencies are same, the chi square value becomes ,
(i) Infinity (ii) zero (iii) n (iv) None of these

5. The degree of freedom for statistic- t for paired t-test based on n pairs of observations
is,
(i)	2(n-1) (ii) n-1 (iii) 2n - 1 (iv) None of these



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