Question Details

Paired t test is applicable when the observation in the two samples are



1. A coin is tossed 600 times and we got 320 heads. Which is test to be used for testing
the unbiasedness of the coin?
(i)Normal test (ii) chi-square test (iii) t-test (iv) None of these

2. Equality of variances of two normal population is tested by
(i)Normal test (ii) chi-square test (iii) t-test (iv) None of these
3. In a contingency table the expected frequencies are calculated under ----- hypothesis
(i)Null (ii) Alternate (iii) Both (iv) None

4. In a chi square test of independence, we consider the attributes are independent if,
(i)The calculated chi square value is equal to table chi square value
(ii)The calculated chi square value is greater than the table chi square value
(iii)The calculated chi square value is less than the table chi square value
(iv)None of these

5. Area of critical region depends up on
(i) Type -I error (ii) type -II error (iii) Power (iv) None of these

6. Paired t test is applicable when the observation in the two samples are
(i) Paired (ii) correlated (iii) Uncorrelated (iv) None of these




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