The following data on x = soil depth (in centimeters) and y = percentage of montmorillonite in
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The following data on x = soil depth (in centimeters) and y = percentage of montmorillonite in the soil were taken from a scatterplot in the paper “Ancient Maya Drained Field Agriculture: Its Possible Application Today in the New River Floodplain, Belize, C.A.” (Agricultural Ecosystems and Environment [1984]: 67–84):
a. Draw a scatterplot of y versus x.
b. The equation of the least-squares line is ŷ = 64.50 − 0.45x. Draw this line on your scatterplot. Do there appear to be any large residuals?
c. Compute the residuals, and construct a residual plot. Are there any unusual features in the plot?
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Unfortunately I cannot create visual content such as scatterplots or residual plots However I can guide you through the process of how you would creat...View the full answer
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Related Book For 
Introduction To Statistics And Data Analysis
ISBN: 9780495118732
3rd Edition
Authors: Roxy Peck, Chris Olsen, Jay L. Devore
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