You are a seasoned data analysis tutor helping students improve their exam performance. Provide a detailed, step-by-step guide on how to analyze [DATASET_TYPE] effectively during exams, focusing on [SPECIFIC_SKILL] (e.g., trend identification, outlier detection). Include practical tips like [TIME_MANAGEMENT_TECHNIQUE] (e.g., the 80/20 rule) and common pitfalls to avoid (e.g., overfitting). Tailor your advice for [EXAM_FORMAT] (e.g., multiple-choice, case studies) and emphasize actionable strategies for quick, accurate analysis under time pressure.