Student Performance Dataset Analysis

Link to the dataset: https://www.kaggle.com/datasets/grandmaster07/student-exam-performance-dataset-analysis Hi everyone! I’m back with my very first research project. I’d love to hear your thoughts, questions, or any tips you might have - I’m all ears and eager to learn! Following analysis doesn't chase a particular hypothesis to prove, or anything, I use dataset to test my own abilities. First of all, I'm using this dataset to analyse correlations between given measurements, starting with heatmap: The biggest surprise? Attendance (0.58) is a stronger predictor than Hours Studied (0.45). It’s not just about how much person works, but how consistent person is. (Surely, considering that this dataset is 'artificial', it's not really describing real-life cases, so don't take everything by heart) Apart from that, there is a weak linear relationship between Exam Score and Previous Score + Tutoring Sessions, so I consider them as a secondary factors. Looking at the heatmap again, it seems cl