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The following data was collected which yielded the regression equation: (see the printout) A regression model relating plane travelling. Given X, number of fuel consumed

  • The following data was collected which yielded the regression equation: (see the printout)

A regression model relating plane travelling. Given X, number of fuel consumed (in gallon) and Y, flying time (1,000 mile) has been developed.

Given data

Flying Time (y)

27.9

25.2

23.8

23.4

23.4

22.2

22

Fuel Consumed (x)

276.5

251.2

235.1

248.8

249.4

242

239.8

The computer output from a regression analysis of the data follows. Please fill in the blank and answer the following questions (a-d).

SUMMARY OUTPUT

Regression Statistics

Multiple R

0.877

ANOVA

R Square

________

df

SS

MS

F

Significance F

Adjusted R Square

________

Regression

1

18.937

18.937

______

0.010

Standard Error

________

Residual

_________

5.712

______

Observations

________

Total

6

24.649

Coefficients

Standard Error

t Stat

P-value

Lower 95%

Upper 95%

Lower 95.0%

Upper 95.0%

Intercept

-8.859

8.077

-1.097

0.323

_________

11.904

-29.621

_________

Fuel Consumed (x)

0.132

0.032

4.071

0.010

_________

0.215

0.049

_________

Write the estimated regression equation

What is the number of observations

Predict the flying time when the plane consumed 270 Gallons of gas

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