Textbook ExpertVerified Tutor
15 Nov 2021
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Yes, we are more confident in predictive ability of the newline of best fit because now we have removed the outlier which was effecting the slope of line, We should know how much an outlier can affect the line ,In this question including an outlier makes correlation of data is and after removing the outlier it is , So, now you can imagine how much this outlier affecting the line of regression, So after removing the outlier we are more confident for the predictions using the line of regression.
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