The Wilson Company uses a great deal of water in the process of making industrial milling equipment.
Question:
a. Carefully examine the data. Use an appropriate procedure to determine if the data could have been sampled from a normal distribution.
b. Based on the sample data of pH level, what should the company conclude about its current status on meeting federal requirements? Test the hypothesis at the 0.05 level.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
Question Posted: