Random 10 C1; Normal 0 1. Print C1. Describe C1 Histogram C1 Random 50 C1; Normal 0 1. Print C1 Describe C1 Histogram C1 Random 500 C1; Normal 0 3. Random 500 C2; Normal 0 1. Random 500 C3; Normal 0 1. Name C1 "true" C2 "x-error" C3 "y-error" Describe C1-C3 Add C1 C2 C4. Add C1 C3 C5. Name C4 "X" C5 "Y" Info Describe C4-C5 Count C4 Sum C4 Average C4 Medi C4 Standard C4 Maxi C4 Mini C4 Histogram C4 Histogram C5 Plot C5 * C4; symbol. Correlation C4 C5 Regress; Response 'Y'; Continuous 'X'; Terms 'X'. Regress; Response 'Y'; Continuous 'X'; Terms 'X'; Residuals C20; Coefficients C22. Let C21=C5-C20 Plot C21 * C4; symbol. Plot C20 * C4; symbol.