1. The problem asks: Apart from mean, variance, and standard deviation, what other topics are commonly asked in statistics? 2. In statistics, besides mean (average), variance (measure of spread), and standard deviation (square root of variance), other important topics include: - Median: The middle value when data is ordered. - Mode: The most frequently occurring value. - Probability distributions: Descriptions of how probabilities are distributed over values. - Hypothesis testing: Procedures to test assumptions about data. - Confidence intervals: Ranges where parameters likely lie. - Correlation and regression: Relationships between variables. - Sampling methods: Techniques to select data samples. - Data visualization: Graphs like histograms, box plots. 3. These topics help analyze and interpret data beyond just central tendency and spread. 4. For example, median is useful when data is skewed, and hypothesis testing helps decide if observed effects are statistically significant. 5. Understanding these concepts is essential for comprehensive statistical analysis.