A data set with 7 observations yielded the following. Use the simple linear regression model. Greek letter Capital Sigma X =21.57 Greek letter Capital Sigma X2 =68.31 Greek letter Capital SigmaY =188.9 Greek letter Capital Sigma Y2 =5,140.23 Greek letter Capital Sigma XY =590.83 Write the Regression Equation showing Intercept and slope and test the significance of slope at 1% significance level.
