se the LEAD.DAT.dta data in tabular form (available on canvas) to construct your own plots sing software (Stata preferred) and answer questions below. Include your plots as part of your port and assessment of outliers and describe your analysis strategy for dealing with any outliers ou detect. a) Recategorize lead group into two categories: unexposed lead group (lead_grp=1) and exposed lead group (lead_grp=2,3). (Hint: label the groups) b) Assess whether there are any outliers for full-scale IQP (Performance IQ) in the unexposed lead group and list all the outliers with IDs. a. Outliers are noted on the upper and lower ends. The outlier on the lower end is from ID number 151 with an IQP of 51. The upper outliers are owned by ID numbers 117 and 139 with IQPs of 149 and 146 respectively. b