Chapter 8.3, Problem 5E

Using Table F, find the P-value interval for each test value.

a. t = 2.321, n = 15, right-tailed

b. t = 1.945, n = 28, two-tailed

c. t = −1.267, n = 8, left-tailed

d. t = 1.562, n = 17, two-tailed