# Mineral mining is one of the most important economic activities in Chile. Mineral products are frequently found

## Question:

a. Construct a scatterplot. If the simple linear regression model were fit to this data, what would a plot of the (x, e*) pairs look like?

b. Construct a scatterplot of y versus x' = 1/x and speculate on the value of r2 after fitting the simple linear regression model to the transformed data.

c. Obtain a 95% prediction interval for nitrogen extraction percentage when leaching time 5 100 h.

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**Related Book For**

## Probability And Statistics For Engineering And The Sciences

**ISBN:** 9781305251809

9th Edition

**Authors:** Jay L. Devore