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Home > Statistical Methods calculators > Quartile, Decile, Percentile, Octile, Quintile for grouped data calculator
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Method
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Method and examples
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Find Quartile, Decile, Percentile, Octile, Quintile for grouped data |
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Consider input table values as Class &
format ()
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Mean, Standard deviation using Direct method or Step deviation method
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Class | 2 - 4 | 4 - 6 | 6 - 8 | 8 - 10 | Frequency | 3 | 4 | 2 | 1 |
Class | 20 - 25 | 25 - 30 | 30 - 35 | 35 - 40 | 40 - 45 | 45 - 50 | Frequency | 110 | 170 | 80 | 45 | 40 | 35 |
Class | 10 - 20 | 20 - 30 | 30 - 40 | 40 - 50 | 50 - 60 | 60 - 70 | 70 - 80 | Frequency | 15 | 25 | 20 | 12 | 8 | 5 | 3 |
X | 10 | 11 | 12 | 13 | 14 | Frequency | 3 | 12 | 18 | 12 | 3 |
X | 1.75 | 1.72 | 1.73 | 1.76 | 1.71 | 1.80 | 1.87 | 2.34 | Frequency | 3 | 2 | 4 | 5 | 6 | 2 | 7 | 1 |
Class | -40 - -30 | -30 - -20 | -20 - -10 | -10 - 0 | 0 - 10 | 10 - 20 | 20 - 30 | 30 - 40 | Frequency | 7 | 10 | 10 | 20 | 57 | 23 | 13 | 10 |
Class | 0 - 2 | 2 - 4 | 4 - 6 | 6 - 8 | 8 - 10 | 10 - 12 | Frequency | 5 | 16 | 13 | 7 | 5 | 4 |
Class | 0 - 2 | 2 - 4 | 4 - 6 | 6 - 8 | 8 - 10 | 10 - 12 | Frequency | 2 | 7 | 12 | 19 | 9 | 1 |
Class | 15 - 20 | 20 - 25 | 25 - 30 | 30 - 35 | 35 - 40 | 40 - 45 | 45 - 50 | 50 - 55 | 55 - 60 | Frequency | 3 | 9 | 14 | 20 | 35 | 9 | 6 | 2 | 2 |
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Decimal Place =
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log(x)/ln(x) Option for Geometric mean =
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Last code change on 02.04.2023,
You can also input x and cf values. Calculator will first generate x and f table and then Mean, Median, etc...
For wrong solution or incomplete solution or GUI improvement, please submit the feedback form. So, I will try my best to improve it soon.
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