35 45 Tal 9 Find the value for intercept form (PO). [2 marks] Interpret intercept teen (PO) and comment on its usefulness. | 2 marks] Name the method used to cutimate regression equation in pant (). [1 mark] Interpret the coefficient of X-variable. [Hint note sales revenue (in $00's). [2 marks] Estimate daily hot coffee sales revenue on a day of 25 degrees Celsius using estimated Model [1 mark] Calculate residual value for the first observation with 25 degrees Celsius. [1 mark] State value of Sum Square Regression (35K). [! mark] Determine the cocfificient of determination, and interpret as well as comment on model fit 13 Marks] Conduct a test of the population slope to determine at the 10% significance level whether there is cristence of Incar relationship between temperature and coffice sales revenue. [Hine show six step procedure and utilire excel output wherever you can). | 4 marks] Define Hetroscodasticity. Illustrate using appropriate graph with appropriate axis title presence of Hotroscodasticity. [2 marks] How do've check for normality condition of residual [1 mark]