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Answer: In Exercises, find the mean of the data summarized

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

Solution for problem 31BSC Chapter 3.2

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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1
Problem 31BSC

In Exercises, find the mean of the data summarized in the given frequency distribution. Also, compare the computed means to the actual means obtained by using the original list of data values, which areasfoüows: 84.4.

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:

Answer :

Step 1 of 1 :

Given,  Verbal IQ score of subject exposed to lead and frequency

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

The claim is to find the mean of the data and compare the computed means to the actual means obtained by using the original list of data values. That is 84.4

Where N = 4+10+25+43+26+8+3+2 = 121

Step 2 of 2

Chapter 3.2, Problem 31BSC 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. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. The answer to “In Exercises, find the mean of the data summarized in the given frequency distribution. Also, compare the computed means to the actual means obtained by using the original list of data values, which areasfoüows: 84.4.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 42 words. This full solution covers the following key subjects: data, means, frequency, given, computed. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. The full step-by-step solution to problem: 31BSC from chapter: 3.2 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. Since the solution to 31BSC from 3.2 chapter was answered, more than 295 students have viewed the full step-by-step answer.

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Answer: In Exercises, find the mean of the data summarized

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