On average, do people gain weight as they age? We provide some summary statistics for both age (x) and weight (y) for a group of 250 people. Zizi Xi = 11211, 2121 yi = 44520.80, E,21 x? = 54350 2izl Xiyi = 1996904.15 What is the least squares estimate of the slope B,? O 0.005 0.01 O 0.02 O 0.04 None of the above is correctUnder the same context of Question 4, what is the least squares estimate of the intercept Bo? 176.30 177.19 177:63 177.86 None of the above is correct