Just do part b all questions

Question 1

14-2. The following data for the dependent variable. y. and the independent variable, x, have been collected using simple random sampling: 1* J" ll] 120 14 130 16 [TO 12 150 21] 200 13 180 16 190 14 150 16 160 13 200 a Construct a scatter plot for these data. Based on the scatter plot, how would you describe the relationship between the two variables? b. Compute the correlation coefcient. 14-4. A random sample of two variables. x and y, produced the following observations: 5 J" 19 I3 I? 9 ll 12 25 20 l? DOW-d Ila-40W a. Develop a scatter plot for the two variables and describe what relationship, if any, exists. Introduction to Linear Hegressin b. Using a level of signicance of or = 0.0]. test to determine whether there is a positive linear relationship between mathematics scores and English scores for junior high school students in Atlanta