# How to calculate the first quartile

The Quartile Formula for Q 1 The quartile formula for Q1 or first quartile formula can be expressed as: Q 1 = \dfrac {1 (n+1)^ {th}} {4} 41(n +1)th term The Quartile Formula for Q 3 The quartile formula for Q3 or third quartile formula can be

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## Quartile Formula

The calculation of quartile Q1 can be as follows: Q1 = ¼ (n+1)th term = ¼ (25+1) = ¼ (26) Q1 will be – Q1 = 6.5 Term The Q1 is 56.00, which is the bottom 25%

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## Quartile Formula: Meaning, Formulas, Solved Examples

How to Calculate Quartiles Step 1: Order the data values from smallest to largest. Step 2: Find the median Q2 Q 2 of the data set. If the size of the data set is odd, then the median is the

## Quartile Calculator

Thus the first quartile is found to equal Q1 = (4 + 6)/2 = 5 To find the third quartile, look at the top half of the original data set. We need to find the median of: 8, 11, 12, 15, 15, 15, 17, 17, 18, 20 Here the median is (15 + 15)/2 =

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