Question: Example 1 in this section used performance IQ scores from Data Set 5 in Appendix B for two-way analysis of variance with the factors of

Example 1 in this section used performance IQ scores from Data Set 5 in Appendix B for two-way analysis of variance with the factors of sex (male, female) and measured blood lead level (low, medium, high). If we use the verbal IQ scores with those same factors, we get the accompanying results. Use the displayed results and use a 0.05 significance level. What do you conclude?

Two-way ANOVA: VERBAL versus SEX, LEAD DF MS 1700,83 700.833 ,58 0,043 42.47 21.233 0.14 0.871 Source SEX LEAD Interaction 2 321.27 160.633 1.05 0.365 Error Total 24 3670.40 152.933 29 4734.97

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