ANOVA Source of Variation Between Groups within Groups df MS F 2 469.1827 2.303395 0.104395 3.07309 118 203.6918 F crit SS 938.3653 24035.63 P-value Total 24974 120
ANOVA Source of Variation Between Groups within Groups df MS F 2 469.1827 2.303395 0.104395 3.07309 118 203.6918 F crit SS 938.3653 24035.63 P-value Total 24974 120
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 21E
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In Exercises 5–16, 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 7 “IQ and Lead” in 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?
Excel
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