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Solution: Determining Normality. In Exercises, refer to the

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

Solution for problem 12BSC Chapter 6.6

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 12BSC

Determining Normality. In Exercises 9–12, refer to the indicated sample data and determine whether they appear to be from a population with a normal distribution. Assume that this requirement is loose in the sense that the population distribution need not be exactly normal, but it must be a distribution that is roughly bell-­shaped.

Secondhand Smoke The cotinine measurements of nonsmokers who were exposed to tobacco smoke at home or work, as listed in Data Set 9 in Appendix B.

Step-by-Step Solution:

Answer:

Step 1 of 1

ETS

384

4

0

0

0

0

3

351

69

543

1

2

19

17

45

1

1

1

13

1

0

0

3

1

178

51

1

0

2

0

1

74

13

197

1

1

1

3

0

241

C-I

Frequency

0-90

34

90-180

1

180-270

2

270-360

1

360-450

0

450-540

0

540-630

2

From the graph, we see that the data does not appear to be from a population with a normal distribution. If the histogram is roughly bell shaped, then the distribution is approximately normal.

Step 2 of 1

Chapter 6.6, Problem 12BSC is Solved
Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

Elementary Statistics was written by and is associated to the ISBN: 9780321836960. The full step-by-step solution to problem: 12BSC from chapter: 6.6 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. This full solution covers the following key subjects: distribution, population, smoke, normal, data. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. Since the solution to 12BSC from 6.6 chapter was answered, more than 357 students have viewed the full step-by-step answer. The answer to “?Determining Normality. In Exercises 9–12, refer to the indicated sample data and determine whether they appear to be from a population with a normal distribution. Assume that this requirement is loose in the sense that the population distribution need not be exactly normal, but it must be a distribution that is roughly bell-­shaped.Secondhand Smoke The cotinine measurements of nonsmokers who were exposed to tobacco smoke at home or work, as listed in Data Set 9 in Appendix B.” is broken down into a number of easy to follow steps, and 78 words.

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Solution: Determining Normality. In Exercises, refer to the