The Rule of 72 States That It Will Take _____

question 58

Multiple Choice

The Rule of 72 states that it will take _____ years for a savings account to double at a 9% annual interest rate.

• A) 8
• B) 9
• C) 6.5
• D) 6.1

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Definitions:

Bounce Height

the vertical distance an object travels upward after being released from a height or after impacting a surface.

Residual

The difference between observed values and the expected values in a statistical model, indicating the error or deviation from the predicted model outcome.

R Squared

A statistical measure of how close the data are to a fitted regression line, indicating the proportion of variance in the dependent variable explained by the independent variable(s).

Electricity Usage

The amount of electrical energy consumed by a household, organization, or area within a specific period.