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# Solved: In Exercise use analysis of variance for the

## Problem 6BSC Chapter 12.2

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition

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Problem 6BSC

In Exercise? ?use analysis of variance for the indicated test. Lead and Full IQ Scores? Example 1 used measured ?performance? IQ scores for three different blood lead levels. If we use the same three categories of blood lead levels with the ?full? IQ scores, we get the accompanying Excel display. (The data are listed in Data Set 5 of Appendix B.) Using a 0.05 significance level, test the claim that the three categories of blood lead level have the same mean full IQ score. Does it appear that exposure to lead has an effect on full IQ scores? Example 1? Lead and Performance IQ Scores

Step-by-Step Solution:

Solution 6BSC Step 1 The given problem explain about lead and full IQ scores. From the given problem measured performance IQ scores for three different blood lead levels.then we use the same three categories of blood lead levels with the full IQ scores. In case,the three categories of null hypothesis have same mean full IQ scores or = = . 1 2 3 Here, e know that the significance level of =0.05 Then the P-value = 0.10439 (from the excel table) Hence the P-value > the significance level of =0.05 Therefore...

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