Question

7. Which is shorter: a 95% z-interval or a 95% t-interval for μ if we know that σ =s? A. The z-interval is shorter B. The t-interval is shorter C. Both are equal D. We cannot say

Answer 1

Answer:

A. The z-interval is shorter

Step-by-step explanation:

bcoz it tell us difference between mean of distribution and data points in standard deviation .