Question 4.SLO Perform correlation and linear regression analysis. An elementary school teacher wants to see if there is a linear correlation between the ages of the elementary school students and their heights. The teacher randomly selects students from her elementary school and recorded the students' ages and heights below. Age (in years) 10 5 8 6 6 9 10 Height (in centimeters) 127 102 119 111 96 100 114 87 123 120 a) Find the correlation r between the ages and the heights of the elementary school students. b) Find critical values for r. c) Determine if there is significant linear correlation in the population using a 0.05 significance level. d) Clearly state the conclusion