A Regression Model Was Developed Relating Average Annual Pay to the Percentage

question 1

Essay

A regression model was developed relating average annual pay to the percentage of women employed for a sample of companies. Below is the plot of residuals versus predicted values. a. What can you see in the plot of residuals that may not have been clear in the original scatterplot of the data?
b. Would a re-expression of the data help? If so, what would you recommend?

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Definitions:

Diffusion

The process by which molecules move from an area of higher concentration to one of lower concentration.

Dye

A substance used to impart color to materials, such as textiles, paper, and other substrates, through a process of absorption or chemical bonding.

Electrostatic Pressure

The force exerted by the electrostatic field on charged particles, affecting their movement and distribution.

Hyperpolarization

A change in a cell's membrane potential that makes it more negative, usually making it less likely to fire an action potential.