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Answer: Finding Standard Deviation from a Frequency

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

Solution for problem 39BSC Chapter 3.3

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 39BSC

Finding Standard Deviation from a Frequency Distribution. In Exercises,find the standard deviation of sample data summarized in a frequency distribution table by using the formula befaw, where x represents the class midpoint, f represents the class frequency, and n represents the total number ofsamph values. Aho, compare the computed standard deviations to these standard deviations obtained by using Formula 3-4 with the original list of data values: 13.4.

Verbal IQ Score of Subject Exposed to Lead

Frequency

50–59

4

60–69

10

70–79

25

80–89

43

90–99

26

100–109

8

110–119

3

120–129

2

Step-by-Step Solution:

Solution 39BSC

Step 1 of 3</p>

From the given information, the frequency distribution of Verbal IQ score of subject exposed to lead is

Verbal IQ Score

of Subject

Exposed to Lead

Frequency

50 – 59

4

60 – 69

10

70 – 79

25

80 – 89

43

90 – 99

26

100 – 109

8

110 – 119

3

120 – 129

2

Step 2 of 2

Chapter 3.3, Problem 39BSC 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: 39BSC from chapter: 3.3 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. Since the solution to 39BSC from 3.3 chapter was answered, more than 364 students have viewed the full step-by-step answer. This full solution covers the following key subjects: frequency, standard, represents, class, values. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. The answer to “Finding Standard Deviation from a Frequency Distribution. In Exercises,find the standard deviation of sample data summarized in a frequency distribution table by using the formula befaw, where x represents the class midpoint, f represents the class frequency, and n represents the total number ofsamph values. Aho, compare the computed standard deviations to these standard deviations obtained by using Formula 3-4 with the original list of data values: 13.4. Verbal IQ Score of Subject Exposed to LeadFrequency50–59460–691070–792580–894390–9926100–1098110–1193120–1292” is broken down into a number of easy to follow steps, and 76 words.

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Answer: Finding Standard Deviation from a Frequency

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