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Get Full Access to Elementary Statistics - 12 Edition - Chapter 2.2 - Problem 1bsc
Get Full Access to Elementary Statistics - 12 Edition - Chapter 2.2 - Problem 1bsc

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# Frequency Distribution Table 2-2 on page 45 is a frequency

ISBN: 9780321836960 18

## Solution for problem 1BSC Chapter 2.2

Elementary Statistics | 12th Edition

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Problem 1BSC

Frequency Distribution Table 2­-2 on page 45 is a frequency distribution summarizing the IQ scores of a group of children with low lead exposure. Is it possible to identify the original list of the 78 individual IQ scores from Table 2­2? Why or why not?

Step-by-Step Solution:

Step 1 of 1 :

Given, the frequency distribution of IQ scores of low lead group is

 IQ score Frequency 50-69 2 70-89 33 90-109 35 110-129 7 130-149 1

From the above frequency distribution, It is not possible to identify the original list of 78 individual IQ scores . For each class, the frequency tells us how many values fall within the given range of values, but there is no way to determine the exact IQ scores represented in the class.

Step 2 of 1

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