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A company is interested in forecasting sales in the final quarter of the year based on...

A company is interested in forecasting sales in the final quarter of the year based on the first three quarters by fitting a linear regression model.

sales quarter
227 1
287 2
316 3

what is the proportion of the variability in sales can be explained by this model?

predict the sales for the fourth quarter

Math   Statistics-And-Probability   
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