For Questions , Use the Following Narrative

question 9

Essay

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} Which variable is X and which variable is Y in this situation?

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Definitions:

Transmission

The process by which something is conveyed or transferred from one place, person, or thing to another, especially diseases or genetic traits.

Phenylketonuria

A genetic disorder that results in the inability to metabolize phenylalanine, leading to its accumulation in the body.

Metabolism

The set of life-sustaining chemical reactions in organisms, involving the conversion of food to energy and building materials.

Amino Acid

Organic compounds that combine to form proteins and are essential to many biological processes in living organisms.