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Interpret the intercept and slope of a fitted model

Question 1 of 8

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A fitted linear model uses practice time, measured in min, to estimate practice points, measured in points

The model was fitted using observed practice time values from 51 to 57 min.

\[\text{practice points} = 323 + 3 \times \text{practice time}\]
(a)2 marks

State the intercept and slope of the fitted model

(b)1 mark

Which statement correctly interprets the slope?