A least squares regression using 99 observations on the height Y (in feet) of Old Faithful eruptions and the duration X (in seconds) of an eruption yielded these results (R 2 0 02 and the standard errors are in parentheses) a Interpret the estimated coefficient of X b Calculate a 95 percent confide...

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A least squares regression using 99 observations on the height Y (in feet) of Old Faithful eruptions

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A least squares regression using 99 observations on the height Y (in feet) of Old Faithful eruptions and the duration X (in seconds) of an eruption yielded these results

(R² = 0.02 and the standard errors are in parentheses): image text in transcribed

a. Interpret the estimated coefficient of X.

b. Calculate a 95 percent confidence interval for the coefficient of X.

c. Is the relationship statistically significant at the 5 percent level?

d. What percentage of the variation in the height of Old Faithful’s eruptions can be explained by the duration of an eruption?

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Essential Statistics Regression And Econometrics

ISBN: 9780123822215

1st Edition

Authors: Gary Smith

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Question Posted: Mar 15, 2024 05:01 AM

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A least squares regression using 99 observations on the height Y (in feet) of Old Faithful eruptions

Question:

Y 141.51 (3.15) 0.0213X (0.0149)

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Essential Statistics Regression And Econometrics

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