For this question use the following set of data points. 10 8 13 11 14 6 4 12 -J y 9.14 8.14 8.74 8.77 9.26 8.1 6.13 3.10 9.13 7.26 4.74 (a) Find the value of the linear correlation coefficient r. (b) Use Excel with a = 0.05 to determine if there is evidence to support the claim of a linear correlation between the two variables. (c) Obtain a scatterplot and add a trendline. Display the equation of the line on the plot. (d) Which feature of the data would be missed if part (a) was completed without con- structing a scatterplot