A random sample of 85 group leaders, supervisors, and similar personnel at General Motors revealed that, on
Question:
A random sample of 85 group leaders, supervisors, and similar personnel at General Motors revealed that, on average, they spent 6.5 years in a particular job before being promoted. The standard deviation of the sample was 1.7 years. Construct a 95% confidence interval.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Statistical Techniques in Business and Economics
ISBN: 978-1259666360
17th edition
Authors: Douglas A. Lind, William G Marchal
Question Posted: