Which of the following is true about beta and standard deviation?

		Beta is our best risk measure when evaluating a stock in a portfolio; standard deviation is out best risk measure when evaluating a stock on a stand-alone basis (aka by itself)
		Beta is our best risk measure when evaluating a stock on a stand-alone basis (aka by itself); standard deviation is out best risk measure when evaluating a stock in a portfolio
		Beta is the best risk measure to use regardless of if a stock is held in a portfolio or on a stand-alone basis (aka by itself)
		Standard deviation is the best risk measure to use regardless of if a stock is held in a portfolio or on a stand-alone basis (aka by itself)