Concept explainers
To explain: the meaning of the given values
Answer to Problem 57E
About 56% of the variation between the variable has been explained by the regression line.
The predicted values are expected to differ by about 3.67 from the actual values.
Explanation of Solution
Given:
Calculation:
Given
Here, the value of
The standard deviation is
The standard deviation measures the average size of the prediction errors (residuals) when using the regression line. The value
Chapter 3 Solutions
The Practice of Statistics for AP - 4th Edition
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