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51.	If the parameter of t-distribution is 6, find the-variance.
Answer» Variance = \(\frac{n}{n-2}\) = \(\frac{6}{6-2}\) = 1.5.

51.

If the parameter of t-distribution is 6, find the-variance.

Answer»

Variance = \(\frac{n}{n-2}\) = \(\frac{6}{6-2}\)

= 1.5.

Discussion

52.	The degrees of freedom of Chi-square variate is 7. Find its Mean, mode and variance.
Answer» n = 7, mean = n = 7, Mode = (n – 2) = 5 and Variance = 2n = 2 × 7 = 14.

52.

The degrees of freedom of Chi-square variate is 7. Find its Mean, mode and variance.

Answer»

n = 7, mean = n = 7, Mode

= (n – 2) = 5 and Variance

= 2n = 2 × 7 = 14.

Discussion

53.	What d.f; is used in testing the independence of attributes and Goodness of fit?
Answer» 1 d.f.; (n-1) & (n-2).

Discussion

Explore topic-wise InterviewSolutions in .

If the parameter of t-distribution is 6, find the-variance.

The degrees of freedom of Chi-square variate is 7. Find its Mean, mode and variance.

What d.f; is used in testing the independence of attributes and Goodness of fit?