Information for Questions 35-37: You have been given a dataset that contains information on 100 women who were admitted to Mountain Hospital to deliver their first child during a one-year period. Measurements include salivary cotinine (an indicator of exposure to tobacco smoke), systolic blood pressure, maternal age, gestational age (number of weeks of pregnancy at delivery), number of hours in labor, and whether the delivery was vaginal or by Cesarean section. You examine the data using Stata and find the following relationship between systolic blood pressure and salivary cotinine: pwcorr bp_sy cotinine, sig bp sy cotinine bp_sy 1 . 0000 cotinine 0 . 2357 1 . 0000 0 . 0009