Question: The data below provides weekly sales for the past 12 weeks (weeks 21-32). Week Sales 21 4,000 22 3,655 23 3,958 24 3,983 25 4,538

The data below provides weekly sales for the past 12 weeks (weeks 21-32).

Week Sales
21 4,000
22 3,655
23 3,958
24 3,983
25 4,538
26 4,120
27 4,692
28 4,421
29 4,859
30 5,030
31 5,540
32 5,670

For this data, what is the linear regression equation for forecasting, and what is the associated R2 value?

Equation:

R =

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