Mathematics

1 total

Suppose that a pharmaceutical firm finds that an increase in DDT content in bird tissues accompanied the thinning of the egg shells. If the relationship is proved, the firm uses correlation as a technique to test the statistical significance of the relationship on large samples. One step further, if the relationship can be described precisely by means of an equation that can be used to predict the outcomes beyond the samples taken, the best thing for the firm to do is to go in for regression a