Question

Determine the upper-tail critical value tα/2 in each of the following circumstances.

a. 1 - α = 0.95, n = 63.
b. 1 - α = 0.99, n = 63.
c. 1 - α = 0.95, n = 34.
d. 1 - α = 0.95, n = 21.
e. 1 - α = 0.90, n = 10.