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How many observations were used in the above regression

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Reference no: EM132190125

∑x = 210       ∑x2 = 2870    ∑xy = -10745

∑y = -759  ∑y2 = 62523

Regression Equation: = 5.873684 - 4.173684x 

Source SS df MS F

Regression 11548.06053 1 11584.06053 9.42011

Error 22134.88947 18 1229.716

Total 33718.95 19

a. How many observations were used in the above regression?

b. What percentage of the observed variability in Y is explained by X?

c. What is the correlation between X and Y?

d. Give the value of the t statistic for testing whether the slope between X and Y is zero.

e. What's the predicted value of Y when X is 9?

Reference no: EM132190125

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