An Experiment Was Performed on a Certain Metal to Determine

question 47

Short Answer

An experiment was performed on a certain metal to determine if the strength is a function of heating time. Results based on 10 metal sheets are given below.
∑X = 30
∑X² = 104
∑Y = 40
∑Y² = 178
∑XY = 134
Using the simple linear regression model, find the estimated y-intercept and slope and write the equation of the least squares regression line.

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Definitions:

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