A 6-Pack of Soda Is on Sale for $2

question 61

Essay

A 6-pack of soda is on sale for $2.00. A can of soda from a vending machine
costs $0.65. Which is the better buy?

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Definitions:

Independent Variable

A variable in an experiment or model that is manipulated or categorized to observe its effect on the dependent variable(s).

Least Squares Estimate

A statistical method used to determine the line of best fit by minimizing the sum of the squares of the differences between observed values and those predicted by the model.

Independent Variable

In scientific research, the factor that is deliberately adjusted or controlled to test its effect on the outcome being studied.

Regression Equation

A formula that represents the relationship between a dependent variable and one or more independent variables, used to predict or estimate outcomes.