There Is a Strong Straight-Line Relationship Between the Outdoor Temperature

question 49

Multiple Choice

There is a strong straight-line relationship between the outdoor temperature and the amount of energy used to air condition a house. Higher temperatures require more energy to keep the house cool. Knowing this, a reasonable value for the correlation coefficient between temperature and home energy consumption is:

• A) r = 1.
• B) r = 0.8.
• C) r = 0.
• D) r = -0.8.
• E) r = -1.

---

Definitions:

Distribution of Data

Refers to the way numerical data is spread out across different values or ranges.

Real Upper Limits

Typically refers to the actual upper bounds of data ranges in statistical analysis, though it's not a widely standardized term.

Variable

A variable is any characteristic, number, or quantity that can be measured or counted. Variables may vary among individuals, conditions, or over time.

Particular Interval

A specific span or range of values within which an observed or computed data point is known or expected to lie.