The variance for each of Student s t distributions is equal to
The variance for each of Student s t distributions is equal to
The variance for each of Student’s t-distributions is equal to df/(df - 2) Find the standard deviation for a Student’s t-distribution with each of the following degrees of freedom:
a. 10
b. 20
c. 30 In summary:
d. Explain how this verifies Property 5 of the t-distributions listed on page 414.