Statistics

Question I: Find a data set with three independent and one dependent variable. The number of observations should be 15. a) Mention the Source of Data b) Variable Type Question 2: From question l use dependent variable one independent variable and answer the following a. Identify the regression line. b. Identify and interpret the y-intercept and the slope of the linear equation in (a) c. Describe the apparent relationship between two variables under consideration. (1. Graph a scatterplot for the data. e. Compute coefficient of determination, r'. f. Determine the percentage of variation in the observed values of the response variable explained by the regression, interpret your answer. Note: Do all steps manually as well as use Rcodes. Question 3: Use data sets in question I and perform the following a) Identify the response variable and explanatory variables b) Graph the relationship between the response variable and each of explanatory variables e) Determine the regression equation and interpret the coefcients as well regression equation Note: Do all stepswith the help of R-Codes