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In a sample of 20 men. the mean height was 178 cm. In a

Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi ISBN: 9780073401331 38

Solution for problem 11E Chapter 1.2

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi

Statistics for Engineers and Scientists | 4th Edition

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Problem 11E

In a sample of 20 men. the mean height was 178 cm. In a sample of 30 women, the mean height was 164 cm. What was the mean height for both groups put together?

Step-by-Step Solution:

Answer:

Step 1 of 3:

   Given that, in a sample of 20 men have the mean height was 178 cm. 

              That is the total height of 20 men is

           In a sample of 30 women have the mean height was 164 cm. 

              That is the total height of 30 women is


Step 2 of 3

Chapter 1.2, Problem 11E is Solved
Step 3 of 3

Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

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In a sample of 20 men. the mean height was 178 cm. In a