A Scatter Plot Shows a Set of Data Points That

question 41

Multiple Choice

A scatter plot shows a set of data points that are clustered close to a line that slopes down to the right. Which value would be closest to the correlation for these data?

• A) 0.80
• B) 0.40
• C) −0.40
• D) −0.80

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Definitions:

Heat

A form of energy that causes substances to increase in temperature or phase change, often produced by the movement of particles.

Cast Iron

A type of iron-carbon alloy that is noted for its high resistance to wear and its ability to be cast into complex shapes.

Metering Valve

A component in the braking system that regulates the pressure to the brakes, often used in rear to balance braking force.

Proportioning Valve

A valve in a vehicle's braking system that adjusts the pressure between the front and rear brakes, ensuring balanced braking.