Figure 12 - Relating Grades and Hours Studied

question 107

Multiple Choice

Figure 1.2 - Relating grades and hours studied
-Based on Figure 1.2,if a student studies 40 hours per week,he or she will:

• A) Earn a grade-point average between 3.5 and 4.0.
• B) Earn a grade-point average of exactly 3.0.
• C) Drop out of school because of the stress.
• D) Earn a lower grade-point average than if the study time is reduced to 30 hours per week.

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Definitions:

Scientific Method

A systematic approach to research where a problem is identified, relevant data is gathered, a hypothesis is formulated, and experiments are conducted to test the hypothesis.

Statistical Tests

Mathematical procedures used in statistics to determine if there is a significant difference between two or more groups or variables.

P Value

A statistical measure that helps researchers determine if their hypotheses are correct, indicating the probability of observing their results by chance.

Biodiversity

The variety and variability of life forms within a given ecosystem, region, or the entire Earth, encompassing species diversity, genetic diversity, and ecosystem diversity.