what is the linear correlation between Exam score and hours spent studying? is the relationship between the two strong and positive, negative and positive, weak and positive or negative and moderate?

Hours spent Hours spent School studying Exam score 1Q score sleeping rating Hours spent studying 1.00 0.82 0.48 -0.22 0.36 Exam score 0.82 1.00 0.33 -0.04 0.23 1Q score 0.08 0.33 1.00 0.06 0.02 Hours spent sleeping -0.22 -0.04 0.06 1.00 0.12 School rating 0.36 0.23 0.02 0.12 1.00