Question

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d2 line of best fit and scatter plots
date: november 19 at 8:00 am
grade: 67%
✓ interpret line of best fit
✓ draw line of best fit
linear regression
scatter calculater
graphing calculator
answer
regression equation:
final answer:
330.8 thousand dollars
copy values for calculator
open statistics calculator
profits (y)
(in thousands of dollars)
years since 1997 (x)

Explanation:

Step1: Substitute \(x = 8\) into the regression equation \(y = 21.4x+138.2\)

We want to find the profit \(y\) when \(x = 8\) (assuming we are predicting for \(x = 8\) years since 1997).

Step2: Calculate \(y\)

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Answer:

\(309.4\) thousand dollars