Question: Use the same scale to construct boxplots for the full IQ scores (IQF) for the low lead level group (group 1) and the high lead

Use the same scale to construct boxplots for the full IQ scores (IQF) for the low lead level group (group 1) and the high lead level group (group 3) in Data Set 7 "IQ and Lead" in Appendix B.
Use the given data sets in Appendix B. Use the boxplots to compare the two data sets.
Data Set 7

LEAD AGE SEX YEAR1 YEAR2 IQ VERB IQ PERF IQ FULL 25 18 107 76 100

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