What are mean, median, and mode in statistics?
Mean is the average, median is the middle value, and mode is the most frequent value in a dataset.
Can you show me how to calculate them with an example?
Sure! For the dataset [3, 7, 7, 2, 5]: Mean = (3+7+7+2+5)/5 = 5. Median = 5 (middle value), Mode = 7 (most frequent).
What if the dataset has an even number of values?
In that case, the median is the average of the two middle numbers. For [1, 2, 3, 4], the median is (2+3)/2 = 2.5.
Can you explain why mean, median, and mode are important?
They help summarize data, identify trends, and understand distributions, which is crucial in statistics.
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