Question: For the data from Problem 2 in this chapter, address the following questions, using the information provided in the accompanying SAS output. a. State the

For the data from Problem 2 in this chapter, address the following questions, using the information provided in the accompanying SAS output.
a. State the regression model that incorporates the straight-line models for each group of countries.
b. Determine and plot the separate fitted straight lines, based on the fitted regression model given in part (a).
c. Test for parallelism of the two straight lines.
d. Test for coincidence of the two straight lines.
e. Compare your results in parts (b) through (d) to those obtained in Problem 2.

Regression of PCI on YNG, Z, and YNG XZ ANALYSIS OF VARIANCE Sum of DF Squares Mean Square Source Model Error Corrected Total F ValuePr>F 3 2218814 48 51 2256550 739538 93572 0001 37936 790.33773 Root MSE Dependent Mean Coeff Var R-Square 28.11295 332.65385 8.45111 0.9832 0.9821 Adj R-Sq PARAMETER ESTIMATES Parameter DF Estimate Standard Error t Value | Pr | Type ISS Intercept 5754246 117.38853 1.249851391 0001 1089772 970417 158424 897.5188 51.39769 1746

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