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GRE
GRE Quantitative Reasoning Section

Predicting Academic Performance Using Data

Very Hard Data Analysis Interpretation Of Data

A researcher conducted a study to understand the impact of various factors on the academic performance of high school students. The factors analyzed included:

  • Hours spent on homework per week
  • Hours spent on extracurricular activities per week
  • Average smartphone usage per day (in hours)
  • Parents' level of education (High School, Bachelor's, Master's)

Data was collected from a sample of 150 students and is summarized in the table below:

FactorsMeasure
Hours on homework10
Hours on extracurriculars5
Smartphone usage4
Parents' educationBachelor's

After analyzing the data, the researcher devised the following formula to predict academic performance (AP), where:

$$AP = 5(HW) + 3(EA) - 2(SU) + 4(PE)$$

Here, HW = Hours on homework, EA = Hours on extracurricular activities, SU = Smartphone usage, and PE = Parents' education coded as follows: High School = 1, Bachelor's = 2, Master's = 3.

Using the provided data, what is the predicted academic performance (AP) of the student?

Hint

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