For example, use the QUARTIL function to determine the top 25 percent of income in a population. First quartile (25th percentile).

To calculate the quartile of a data series, after sorting from lowest to highest, we can use the following formula, where a will take the values of 1,2 and

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If you're struggling to clear up a math equation, try breaking it down into smaller, more manageable pieces. By taking a step-by-step approach, you can more easily see what's going on and how to solve the problem.

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To solve a mathematical problem, you need to first understand what the problem is asking. Once you understand the question, you can then use your knowledge of mathematics to solve it.

José Andalón explains the concept of quartiles in a sequence of unclustered data and exercises.

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