Based on the scatterplots below, what is the better predictor for head circumference--height or shoulder width?
Explain how you made your decision. 
Definitions:
Rate Of Return
A measure used to evaluate the financial performance of an investment, calculating the gain or loss relative to the asset's initial cost.
Discount Rate
The interest rate used in discounted cash flow analysis to determine the present value of future cash flows or the rate charged by central banks on loans to commercial banks.
Lump Sum
A single payment made at a particular time, as opposed to multiple payments made over time.
Insurance Settlement
The payment made by an insurance company to fulfill its obligation under an insurance policy.
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