Question: 4. Obtain a matrix of scatterplot of the first five variables (IQ and the four predictors, WEEKS, SOCIAL, EDUC and RANK. Paste the scatterplot into

4. Obtain a matrix of scatterplot of the first five variables (IQ and the four predictors, WEEKS, SOCIAL, EDUC and RANK. Paste the scatterplot into your report. (a) Comment on the relationship between IQ and each of these four predictors. In particular, look for any non-linearity in the relationships and potential outliers. Does it look like a linear model is appropriate for describing the relationship between IQ and any of these four predictors on the original scales? Note: If you have any doubt then produce individual scatterplots for IQ vs. each of these four predictors. Don't paste the individual scatterplots into your report. ( b ) Apply a log transformation to the variable "weeks". Comment the effectiveness of this transformation by looking at a scatterplot of IQ vs. LNWEEKS. Paste the plot into your report. **#From now on use the new variable LNWEEKS instead of WEEKS

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