Refer to Exercise 8.3. What effect does a larger population variance have on the margin of error? a. n = 30, 2 = .2

Refer to Exercise 8.3. What effect does a larger population variance have on the margin of error?

a. n = 30, σ² = .2

b. n = 30, σ² = .9

c. n = 30, σ² = 1.5