Solution Found!
In Exercise use analysis of variance for
Chapter 12, Problem 5 BSC(choose chapter or problem)
In Exercises 5-16, use analysis of variance for the indicated test.
Lead and Verbal 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 measured verbal IQ scores, we get the accompanying Minitab 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 verbal IQ score. Does exposure to lead appear to have an effect on verbal IQ scores?
MINITAB
Questions & Answers
QUESTION:
In Exercises 5-16, use analysis of variance for the indicated test.
Lead and Verbal 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 measured verbal IQ scores, we get the accompanying Minitab 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 verbal IQ score. Does exposure to lead appear to have an effect on verbal IQ scores?
MINITAB
ANSWER:
Solution 5BSC
In this case, our null hypothesis is that three categories have same mean verbal or