The Following Table Shows the Values of the Number of Gallons

question 20

Multiple Choice

The following table shows the values of the number of gallons of water used by a family during the month of July. Find the linear regression equation based on the data provided to determine the number of gallons of water used on day 10. (Rounded to the nearest hundredth)

• A) 12.50 gallons
• B) 7.13 gallons
• C) 13.66 gallons
• D) 8.50 gallons
• E) 11.01 gallons

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Definitions:

Pole Pieces

The parts of a DC machine that form magnetic poles.

Mechanical Energy

The sum of potential and kinetic energy in a physical system, associated with the motion and position of objects.

DC Electrical Energy

Energy supplied by a direct current (DC) source, characterized by the uni-directional flow of electric charge.

Series Field

An electromagnetic field created by windings in a series circuit within a motor or generator, contributing to the device's overall magnetic field.