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

Question

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 á = .05. State the hypotheses clearly. (d) Use Excel to find the p-value for the t statistic for the slope.
Charities

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

Answer 1

nbn