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Solved: Constructing Histograms. In Exercises, construct

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 13BSC Chapter 2.3

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 13BSC

Earthquake Magnitudes Use the frequency distribution from Exercise 23 in Section 2-2 to construct a histogram. Using a loose interpretation of the requirements for a normal distribution, do the magnitudes appear to be normally distributed? Why or why not?

Step-by-Step Solution:

Answer:

Step 1 of 1

Mag(x)

0.7

0.74

0.64

0.39

0.7

2.2

1.98

0.64

1.22

0.2

1.64

1.32

2.95

0.9

1.76

1.01

1.26

0

0.65

1.46

1.62

1.83

0.99

1.56

0.4

1.28

0.83

1.34

0.54

1.25

0.92

1

0.79

0.79

1.44

1

2.24

2.5

1.79

1.25

1.49

0.84

1.42

1

1.25

1.42

1.35

0.93

0.4

1.39

The width of each bar has to be equal and the height has to equal the frequency:

This is in the form,

C - I

Frequency

0 - 0.5

5

0.5 - 1

18

1 - 1.5

19

1.5 - 2

7

2 - 2.5

3

2.5 - 3

2

Yes, because the histogram is roughly bell shaped.

Step 2 of 1

Chapter 2.3, Problem 13BSC is Solved
Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Solved: Constructing Histograms. In Exercises, construct