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Mathematical Statistics with Applications | 7th Edition | ISBN: 9780495110811 | Authors: Dennis Wackerly; William Mendenhall; Richard L. Scheaffer
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Of great importance to residents of central Florida is the

Chapter 1, Problem 3E

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QUESTION:

Of great importance to residents of central Florida is the amount of radioactive material present

in the soil of reclaimed phosphate mining areas. Measurements of the amount of \({ }^{238} \mathrm{U}\) in 25 soil

samples were as follows (measurements in picocuries per gram):

.74

6.47

1.90

2.69

.75

.32

9.99

1.77

2.41

1.96

1.66

.70

2.42

.54

3.36

3.59

.37

1.09

8.32

4.06

4.55

.76

2.03

5.70

12.48

Construct a relative frequency histogram for these data.

Equation Transcription:

Text Transcription:

^238U

Questions & Answers

QUESTION:

Of great importance to residents of central Florida is the amount of radioactive material present

in the soil of reclaimed phosphate mining areas. Measurements of the amount of \({ }^{238} \mathrm{U}\) in 25 soil

samples were as follows (measurements in picocuries per gram):

.74

6.47

1.90

2.69

.75

.32

9.99

1.77

2.41

1.96

1.66

.70

2.42

.54

3.36

3.59

.37

1.09

8.32

4.06

4.55

.76

2.03

5.70

12.48

Construct a relative frequency histogram for these data.

Equation Transcription:

Text Transcription:

^238U

ANSWER:

Solution:

Step 1 of 2:

The  measurement of amount of radioactive material 238 U present in 25 soil samples in the mining areas is given.

                     

      .74

     6.47

      1.90

       2.69

       .75

     .32

     9.99

      1.77

       2.41

       1.96

     1.66

     .70

      2.42

       .54

       3.36

     3.59

     .37

      1.09

       8.32

       4.06

     4.55

      .76

      2.03

       5.70

       12.48

We have to construct a relative frequency histogram for the given data.

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