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As part of a quality-control study aimed at improving a

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

Solution for problem 2E Chapter 4.10

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 2E

As part of a quality-control study aimed at improving a production line, the weights (in ounces) of 50 bars of soap are measured. The results are as follows, sorted from smallest to largest.

11.6

12.6

12.7

12.8

13.1

13.3

13.6

13.7

13.8

14.1

14.3

14.3

14.6

14.8

15.1

15.2

15.6

15.6

15.7

15.8

15.8

15.9

15.9

16.1

16.2

16.2

16.3

16.4

16.5

16.5

16.5

16.6

17.0

17.1

17.3

17.3

17.4

17.4

17.4

17.6

17.7

18.1

18.3

18.3

18.3

18.5

18.5

18.8

19.2

20.3

Construct a normal probability plot for these data. Do these data appear to come from an approximately normal distribution?

Step-by-Step Solution:

Step 1 of 1:

Given the weight of 50 bars of soap are measured.

Here n=50.

Our goal is:

We need to construct a normal probability plot for these data and

We need to find do these data appear to come from an approximately normal population.

Now we have to find the normal probability plot for these data.

The formula of the cumulative probability is

=

Where i = 1,2,3,...,50.

And n=50.  

We are using excel to plot the normal probability.

We sorted  values.

Then the data is given below.

...

                    i

                

     

         

                   i

                           

     

   

       

1

11.6

0.01

-2.326347874

26

Step 2 of 3

Chapter 4.10, Problem 2E is Solved
Step 3 of 3

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

The full step-by-step solution to problem: 2E from chapter: 4.10 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM. Since the solution to 2E from 4.10 chapter was answered, more than 719 students have viewed the full step-by-step answer. This full solution covers the following key subjects: normal, these, data, aimed, come. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. The answer to “As part of a quality-control study aimed at improving a production line, the weights (in ounces) of 50 bars of soap are measured. The results are as follows, sorted from smallest to largest.11.612.612.712.813.113.313.613.713.814.114.314.314.614.815.115.215.615.615.715.815.815.915.916.116.216.216.316.416.516.516.516.617.017.117.317.317.417.417.417.617.718.118.318.318.318.518.518.819.220.3Construct a normal probability plot for these data. Do these data appear to come from an approximately normal distribution?” is broken down into a number of easy to follow steps, and 51 words. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331. This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4.

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