Social Work homework help. 1. Use the data below to answer the following questions.Y:12,8,4,5X:1,2,3,4a. Draw a scatter plot of X on Yb. Calculate the sample estimates of ?0 and ?1Estimated regression equation:______________________c. Draw the estimated regression of part (b) on part (a)’s graphd. Interpret the estimates of ?0 and ?1Intercept:Slope:e. Find the predicted value when X=5f. Estimate and interpret the coefficient of determination R2R2=Interpretation:2. Creating your own data. Open a Stata do file then copy and execute the following code:clear allset obs 100gen x = rnormal()gen u = rnormal()keep if x>0gen y = 10+15*x + 5*ureg y xtwoway (scatter y x) (lfit y x)a. Paste the Stata output here (main window): b. Paste the graph here:c. Look closely and the data and the output and explain briefly what each line of code does.i. set obs 100ii. gen x = rnormal()iii. gen u = rnormal()iv. keep if x>0v. gen y = 10+15*x + 5*uvi. reg y xvii. twoway (scatter y x) (lfit y x)
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