quartile
Differences
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| quartile [2020/09/21 04:25] – hkimscil | quartile [2026/09/13 23:04] (current) – [e.g. 1, Head First method] hkimscil | ||
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| Line 36: | Line 36: | ||
| upper quartile: 6.5 | upper quartile: 6.5 | ||
| - | Ordered | + | Data Set: c(6, 7, 15, 36, 39, 40, 41, 42, 43, 47, 49) |
| - | + | Ordered: c(6, 7, 15, 36, 39, 40, 41, 42, 43, 47, 49) | |
| - | * 11 / 4 = 2.75 -> 3 | + | * n = 11 |
| + | * n / 4 = 11 / 4 = 2.75 -> 3 | ||
| * lower quartile: 15 | * lower quartile: 15 | ||
| - | * 33 / 4 = 8.25 -> 9 | + | * (3*n) / 4 = (3*11) |
| * upper: 43 | * upper: 43 | ||
| Line 96: | Line 97: | ||
| </ | </ | ||
| median = (9+12)/2 | median = (9+12)/2 | ||
| - | the 1st quartile = 7 + ((9-7)*(1/4)) = 7 + 0.5 = 7.5 | + | the 1st quartile = 7 + (9-7)*(1/4) = 7 + 0.5 = 7.5 |
| - | the 3rd quartile = 12 + ((12-9)*(3/4)) = 12 + 2.25 = 14.25 | + | the 3rd quartile = 12 + (12-9)*(3/ |
| ---- | ---- | ||
quartile.1600662350.txt.gz · Last modified: by hkimscil