1. Cellular ability to regulate homeostasis is important for normal cell functioning and can be measured by basal calcium (Ca) pump activity (nmol/mg/min). In a study investigating the effect of mercury (Hg) exposure in mothers on their newborn's cellular regulatory function, researchers measured the mercury deposits (g/ g) in the hair of a sample of 58 mothers along with their newborn's basal Ca pump activity. The data are summarized below: Hair Hg Level Basal Ca Pump (g/g) Activity (nmol/mg/min) Mean 1.97 50.27 St. Dev. 0.56 12.18 Correlation -0.68 a. Assuming all relevant assumptions were met, calculate the linear regression equation that predicts newborn basal Ca pump activity from maternal hair Hg level. Write your answer as a linear equation for full credit. (2pt) b. Within the context of the problem, interpret the estimates of the slope and intercept of the model. (2pt) c. Calculate the 95% confidence interval for the correlation coefficient for this population. (2pt) Given: critical value = 2.00