Soal SMA · Latihan campuran · Kesulitan 4/5
The following table shows the results of a survey on study habits and exam scores: | Study Hours per Week | Average Exam Score | |----------------------|--------------------| | Less than 5 | 65 | | 5-10 | 75 | | 11-15 | 85 | | More than 15 | 80 | Which of the following conclusions is best supported by the data?
- A.Studying more than 15 hours per week leads to lower exam scores than studying 11-15 hours.
- B.There is a positive correlation between study hours and exam scores up to a point, after which scores decline.
- C.The optimal study time is less than 5 hours per week.
- D.Study hours have no effect on exam scores.
Kunci jawaban & pembahasan
Jawaban: There is a positive correlation between study hours and exam scores up to a point, after which scores decline.
The data shows scores increase with study hours up to 11-15 hours and then decrease for more than 15 hours, indicating a point of diminishing returns.
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