Final answer:
To successfully complete a class, a minimum of 7 hours per week of studying and completing assignments is a reasonable starting point for many students, as indicated by the given statistics.
This commitment corresponds to the 30th percentile of student study time and aligns with the data suggesting students who study at least 15 hours per week are more likely to achieve honor roll status.
The Correct Option is; c. 7.
Step-by-step explanation:
To successfully complete a class, the time commitment for studying and completing assignments can vary considerably based on the course's difficulty, the student's familiarity with the material, and the individual's study habits. However, some general insights can be gleaned from the given statistics and examples. It was noted that 30 percent of students study seven or fewer hours per week.
This suggests that for many students, studying around seven hours per week may be adequate. However, a distinction was made between the amount of time students study and their resulting academic success. For instance, a separate dataset indicated that students who study at least 15 hours per week are more likely to be on the honor roll.
The question also refers to hypothesis testing in the context of a student academic group's claim. For example, considering the claim that freshman students study at least 2.5 hours per day, the sample mean study time of 137 minutes and a standard deviation of 45 minutes would need to be evaluated at a certain significance level (e.g., α = 0.01) to determine the validity of this claim statistically.
Given these insights, the time students should expect to commit can be better understood. Although individual needs may vary, the examples suggest that committing 7 hours or more per week could be a reasonable starting point for many students, with more time potentially leading to improved academic success.
Regarding a student's question about the minimum hours per week, this would correlate most closely to option (c) 7 hours, while recognizing this is a general guideline rather than a prescriptive requirement for every student or class.