The Scatter Plot and Residual Plot Shown Below Are from a Regression

question 40

Essay

The scatter plot and residual plot shown below are from a regression analysis of Prehistoric Native American projectile points. The lengths of the projectiles were regressed on the width of the projectile points. Using these plots categorize each of the Basic Assumptions of the simple linear regression model as one of the following:
a)Not checkable
b)Checked and met
c)Checked and not met
For all assumptions checked, explain what aspect of the graphs led you to your conclusion that the assumption was met or not met.

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Definitions:

Madagascaran Mantid

A type of praying mantis native to Madagascar, noted for its unique adaptive features.

Camouflage

An adaptation that allows organisms to blend in with their surroundings to hide from predators or to ambush prey.

Madagascaran Mantid

A type of praying mantis native to Madagascar known for its unique adaptation and predatory behavior.

Camouflage

An adaptation that allows organisms to blend in with their environment, reducing visibility to predators or prey, and enhancing survival chances.