Hand span is the distance from the tip of a person's little finger to the tip of their thumb when the hand is spread out to its fullest. Researchers gathered data in order to understand the relationship between a person's left hand span and their right hand span. The scatterplot of the data has a linear form. This is a computer output of their findings. Dependent variable: Left hand span

Predictor Coef SECoef T P
RISpan 0.9383 0.0225 41.67 0.000
Constant 1.4365 0.4792 3.05 0.003
s=0.6386 R-sq = 90.2% R-sq (adj) = 90.2%

Required:
a. What is the slope for the regression equation?
b. What is the y-intercept?
c. Write the regression equation.
d. What is the correlation coefficient?