Answer:
Cannot be determined
Step-by-step explanation:
Data given in the question
For one, the Rate of return = 19%
For one, the Rate of return = 16%
And,
The beta of the first investor = 1.5
The beta of the second investor = 1
So for better selector, we need to take the market rate of return and the risk-free rate of return without these two we are unable to say which one is better selector