Using the lung function data explore and describe the following relationships: a) How does the residential area affect the lung function of the parents? b) For the oldest child, plot the relationship...

Using the lung function data explore and describe the following relationships:

a) How does the residential area affect the lung function of the parents?

b) For the oldest child, plot the relationship between FEV1 and (i) age; (ii) height; (iii) weight using a scatterplot and lowess line.