Student's t-distribution Multiple Choice Questions and answers (mcqs)

 1- In Student's t-distribution, Degree of Freedom "v" =: ?

(A) n - 1                       (B) m - 1

Option (A) is correct.

2- The shape of t-distribution is: ?

(A) Bell Shaped         (B) Square Shaped

Option (A) is correct.

Note: Must remember that also the shape of Normal Distribution "Z" is bell shaped.

3- t-distribution has range from: ?

(A) 0 to infinity         (B) - infinity to + infinity

Option (B) is correct.

Note: Also Normal Distribution 'Z' has range from " - infinity to + infinity ".

4- t-distribution has shape as same as the shape of: ?

(A) Chi-Square         (B) Normal Distribution

Option (B) is correct.

5- The Variance of t-distribution is: ?

(A) v/v - 2                (B) v/2

Option (A) is correct.

6- t-distribution approaches to the normal distribution as 'V' or size 'n' becomes: ?

(A) Larger               (B) Smaller

Option (A) is correct.

7- The Mean of the t-distribution is Zero, when: ?

(A) v < 2                 (B) v > 2

Option (B) is correct.

Note: The Mean is undefined for v = 1.

8- 'SP' of Student's t-distribution have_ formulae: ?

(A) three                 (B) four

Option (A) is correct.

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