For Questions , Use the Following Narrative

question 7

Multiple Choice

For Questions , use the following narrative
Narrative: Study time and exam score
Suppose an algebra professor found that the correlation between study time (in hours) and exam score (out of 100) is +.80, and the regression line was found to be y = 20 + 4x.He arrived at this equation through years of collecting data on his students, most of whom reported studying anywhere from 0 to 20 hours for his exams.
-{Study time and exam score narrative} For which values of study time does the professor's regression equation make sense in terms of predicting exam scores?

• A)Between 0 and 20 hours.
• B)Between 0 and 100 hours.
• C)Anything greater than or equal to 0 hours.
• D)It is not possible to predict exam score with study time.

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Definitions:

Compass Sense

An ability observed in some animals, allowing them to navigate using Earth's magnetic field.

Map Sense

An inherent ability to understand and navigate the spatial environment, often used in reference to animals or humans who can orient themselves without explicit landmarks.

Polygyny

A mating system in which one male mates with multiple females, often found in animal societies.

Intersexual Selection

A form of natural selection in which individuals of one sex (usually females) choose mates from the opposite sex based on certain desirable traits, affecting the fitness of individuals.