The following scatterplot shows the relationship between the left and right forearm lengths (cm) for 55 college students along with the regression line, where y =left forearm length x = right forearm length 31 30 Left arm (cm) 24 23 22 21 22 23 24 25 26 27 28 29 30 31 Right arm (cm) One of the four choices is the value of the correlation for this situation. The correlation is Select one: a. O b. 0.88 C. -0.88 d. 1