You Have Estimated the Following Simple Regression Model Y =

question 7

Multiple Choice

You have estimated the following simple regression model y = 379 + 1.44 x³
What is the elasticity when x = 8.49?

• A)263.19
• B)311.39
• C)2.10
• D)-24.7

---

Definitions:

Magnetic North Polarity

The direction in which the north end of a magnet points, aligning with the Earth's magnetic north.

Magnetic Flux

The measure of the quantity of magnetism, considering the strength and the extent of a magnetic field.

Electro-Magnets

Electro-magnets are devices that create a magnetic field through the flow of electric current, typically consisting of a wire coil wrapped around a magnetic core, and are used in various applications including motors and relays.

Magnetic Field

An area surrounding a magnetic substance or an electric charge in motion where magnetic forces are experienced.