February 8, 2016

Homework Help: Statistics

Posted by Kim on Sunday, September 26, 2010 at 11:43pm.

12.22 A regression was performed using data on 16 randomly selected charities in 2003. The variables were Y = expenses (millions of dollars) and X = revenue (millions of dollars). (a)Write
the fitted regression equation. (b)Construct a 95 percent confidence interval for the slope.(c) Perform a right-tailed t test for zero slope at = .05. State the hypotheses clearly. (d) Use Excel to find the p-value for the t statistic for the slope.

Variables coefficient std. error
Intercept 7.6425 10.0403
Revenue 0.9467 0.0936

Could you please show me how to do this one.. I need a full example of how to work this one.. Thanks

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