In Exercises 13 and 14, use correlation coefficients to determine which of the given sets of data is best fit by its associated regression line and which is fit worst. Is it a perfect fit for any of the data sets? [HINT: See Example 3.]

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13.
а. (1, 3), (2, 4) , (5, 6)
ANSWER I
b. (0, – 1), (2, 1) , (3, 4)
ANSWER !
с. (4, — 3), (5, 5), (0, 0)
ANSWER I
Transcribed Image Text:13. а. (1, 3), (2, 4) , (5, 6) ANSWER I b. (0, – 1), (2, 1) , (3, 4) ANSWER ! с. (4, — 3), (5, 5), (0, 0) ANSWER I
In Exercises 13 and 14, use correlation coefficients to determine which of the given sets
of data is best fit by its associated regression line and which is fit worst. Is it a perfect fit
for any of the data sets? [HINT: See Example 3.]
Transcribed Image Text:In Exercises 13 and 14, use correlation coefficients to determine which of the given sets of data is best fit by its associated regression line and which is fit worst. Is it a perfect fit for any of the data sets? [HINT: See Example 3.]
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Correlation coefficients is to determine the linear relationship between two variables.

If r = ±1, the model is a "perfect fit".

 

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