Which quantile divides data into four equal groups?

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Multiple Choice

Which quantile divides data into four equal groups?

Quartiles are the three cut points that split a sorted dataset into four equal-sized parts, so each group contains about a quarter of the data. They correspond to the 25th, 50th, and 75th percentiles, often called Q1, the median, and Q3. This is exactly what dividing into four equal groups means. The other terms describe different splits: quintiles divide into five groups, deciles into ten, and percentiles describe division into a hundred parts. In practice, quartiles help compare where data lie within the distribution and identify bottom, lower-middle, upper-middle, and top portions.

Quartiles are the three cut points that split a sorted dataset into four equal-sized parts, so each group contains about a quarter of the data. They correspond to the 25th, 50th, and 75th percentiles, often called Q1, the median, and Q3. This is exactly what dividing into four equal groups means. The other terms describe different splits: quintiles divide into five groups, deciles into ten, and percentiles describe division into a hundred parts. In practice, quartiles help compare where data lie within the distribution and identify bottom, lower-middle, upper-middle, and top portions.

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