Can the plot in Exercise 6 be used to determine whether

Chapter 4, Problem 7E

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QUESTION:

Can the plot in Exercise 6 be used to determine whether the PM data appear to come from a lognormal population? Explain.

Questions & Answers

QUESTION:

Can the plot in Exercise 6 be used to determine whether the PM data appear to come from a lognormal population? Explain.

ANSWER:

Solution :

Step 1 of 1:

From exercise 6 we know that n is 62

Our goal is:

We need to determine whether the the PM data  appears to come from a lognormal population and we need to explain.

Now we have to determine whether the the PM data  appears to come from a lognormal population.

Here we sorted  values.

The formula of the cumulative probability is

=

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

And n=62.  

                    i

                  

Log()

       

                   i

                           

Log()

       

1

1.11

0.045323

0.00806452

32

5.84

0.766413

0.50806452

2

1.5

0.176091

0.02419355

33

5.91

0.771587

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