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1. A study conducted at VP1&SU to determine if certain static arm-strength measures have an influence on the "dynamic lift" characteristics of an individual. Twenty-five individuals were subjected to strength tests and then were asked to perform a weight-lifting test in which weight was dynamically lifted overhead. The data are given here.

(a) Estimate a and 0 for the linear regression curve ¼ Y×x = a + 0x. 

(b) Find a point estimate of ¼ y×30. 

(c) Plot the residuals versus the Xs (arm strength).Comment.

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