Find the equation of the least-squares line for the given data. Draw a scatter diagram for the given data and graph the least-squares line. 
Definitions:
Lump Sum
A one-time payment made at a specific moment, rather than multiple smaller payments spread over time.
Savings Options
Various financial vehicles available for setting aside money, such as savings accounts, certificates of deposit, and money market funds, with the aim of earning a return.
Compounded Weekly
Refers to interest earned or paid that is calculated on a weekly basis, with each week's interest added to the principal amount.
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