Ikota yokuqala (Q1) ichazwa njengenani eliphakathi phakathi kwelona nani lincinane (ubuncinane) kunye ne-median yesethi yedatha. …Ikota yesithathu (Q3) lixabiso eliphakathi phakathi umdi kunye nelona xabiso liphezulu (ubuninzi) lweseti yedatha.
Apha, Uyifumana njani iquartile yoku-1 neyesi-3? Xa iseti yemigqaliselo icwangciswe ngokunyuka kolandelelwano i-quartiles imelwe njenge,
- Ikota yokuqala(Q1) = ((n + 1)/4) t h Ikota.
- Ikota yesiBini(Q2) = ((n + 1)/2) t h Ikota.
- Ikota yesiThathu(Q3) = (3(n + 1)/4) t h Ikota.
Iquartile yoku-1 neyesi-3 isixelela ntoni? Ewe, i-median isixelela iziko leseti yedatha, ngelixa i-quartiles yokuqala neyesithathu zisixelela malunga nendlela yokusasazwa phakathi kwe-50% yedatha yedatha. Okokugqibela, ubuncinci kunye namaxabiso aphezulu asixelela ngezona xabiso zigqithisileyo kwiseti yedatha.
Ukongeza Ingaba kukho iquartile 4? Ikota yesine: aphezulu ngama-25% amanani.
Uyifumana njani iquartile yesithathu? IQuartile yesithathu ye-75th Percentile (Q3) inikwe njenge: Ikota yesiThathu(Q3)=(3(n+1)/4)th term ikwabizwa ngokuba yi-quartile ephezulu. Uluhlu lwe-interquartile lubalwa njenge: I-Quartile ePhezulu - i-Lower Quartile.
Zingaphi iiquartiles ezikhoyo?
Iiquartiles zahlula yonke isethi ibe ngamacandelo amane alinganayo. Ngoko, zikho iiquarti ezintathu, eyokuqala, eyesibini neyesithathu imelwe nguQ1Q2 kunye no-Q3, ngokulandelanayo.
Yintoni elingana no-D5? D5 = Ixabiso le-5 (30 + 1) / 10. D5 = Ixabiso le 15.5th isikhundla, isiqingatha phakathi kwamanqaku 76 kunye 78. I-50% yamanqaku awela ngaphantsi kwe-77.
Ngaba iiquartiles zinokuba ziidesimali? 5 (kuba i-Q2 ngama-50%) amaxesha inani lamaxabiso kwidatha yakho. Le yinkqubo enye onokuyisebenzisa kuyo nayiphi na i-quartile okanye i-percentile. Le yinombolo EYONKE (hayi idesimali).
Uyifumana njani iquartile yokuqala?
Ukufumana i-quartile yokuqala, sisebenzisa la manyathelo alandelayo:
- Qinisekisa ukuba ulungelelanisa amanqaku edatha ukusuka kweyona incinci ukuya kweyona inkulu.
- Ukwahlula idatha ibe ngamacandelo amabini alinganayo ngokufumana i-median yedatha epheleleyo. …
- Thatha i-median yesiqingatha esisezantsi seseti yedatha.
Kwakhona Yintoni iquartile yokuqala? I-quartile ephantsi, okanye i-quartile yokuqala (Q1), i ixabiso phantsi kwe-25% yamanqaku edatha afunyenweyo xa ahlelwe ngokunyuka komyalelo. I-quartile ephezulu, okanye i-quartile yesithathu (Q3), lixabiso apho i-75% yamanqaku edatha afunyenweyo xa ahlelwe ngokunyuka komyalelo.
Uyifumana njani iquartile yoku-1?
Ubalwa njani iiQuartiles
- Odola iseti yakho yedatha ukusuka kwelona xabiso lisezantsi ukuya kwelona xabiso liphezulu.
- Fumana i-median. Le yiquartile yesibini Q 2 .
- Kwi Q 2 yahlula idatha ecwangcisiweyo ibe ziziqingatha ezibini.
- Iquartile esezantsi Q 1 ngumbindi wesiqingatha esisezantsi sedatha.
- Iquartile ephezulu Q 3 ngumbindi wesiqingatha esiphezulu sedatha.
Yintoni izibalo zequartile? Iiquartiles zi amaxabiso ahlula uluhlu lwamanani kwiikota: Beka uluhlu lwamanani ngokulandelelana kwawo. Emva koko sike uluhlu lube ngamacandelo amane alinganayo.
Yintoni ukunxaxha kwe-interquartile?
Inkcazo eyamkelekileyo yokutenxa kweQuartile ngu Umahluko phakathi kwe-quartile yokuqala kunye ne-quartile yesithathu kwitheyibhile yokusabalalisa rhoqo. Lo mahluko waziwa njengoluhlu lwe-interquartile. … Xa umahluko wahlulwe ngesibini, waziwa ngokuba yi-quartile deviation okanye isemi-inter-quartile range.
Ngaba i-Q3 D5 kunye ne-P50 ziyafana?
Ewe, Q2, D5, kunye P50 bayalingana.
Yintoni idecile yesi-7? LESIXHENXE-idecile yesixhenxe (okanye Iipesenti ezingama-70)
Uyifumana njani i-Q2 kunye ne-q4? Ifomula yequartile esezantsi (Q1) = N + 1 iphindaphindwe ngo (1) yahlulwe ngo (4) Ifomula yequartile ephakathi (Q2) = N + 1 iphindaphindwe ngo (2) yahlulwe ngo (4) Ifomula ye-quartile ephezulu (Q3) = N + 1 iphindaphindwe ngo (3) yahlulwe ngo (4) Ifomula yoluhlu lwe-Interquartile = Q3 (i-quartile ephezulu) - Q1 (i-quartile esezantsi)
Ngaba sisondeza iiquartiles?
KwiQuartile esezantsi:
Ukuba uL1 linani elipheleleyo, iquartile esezantsi iphakathi phakathi kwe L1-th ixabiso kunye nelandelayo. Ukuba uL1 Ayilonani elipheleleyo, yitshintshe ngokusondeza kwinani elipheleleyo elikufutshane. Ixabiso kweso sikhundla yi-quartile esezantsi.
Uyifumana njani iquartile yokuqala ngesandla? Iiquartiles ngamaxabiso ahlula uluhlu lwamanani kwiikota: Beka uluhlu lwamanani ngokulandelelana. Emva koko sike uluhlu lube ngamacandelo amane alinganayo.
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Ibhokisi kunye neWhisker Plot
- I-Quartile 1 (Q1) = (4 + 4) / 2 = 4.
- I-Quartile 2 (Q2) = (10 + 11) / 2 = 10.5.
- I-Quartile 3 (Q3) = (14 + 16) / 2 = 15.
Yintoni iquartile yoku-1?
I-quartile ephantsi, okanye i-quartile yokuqala (Q1), i ixabiso phantsi kwe-25% yamanqaku edatha afunyenweyo xa ahlelwe ngokunyuka komyalelo.
Ubala njani imizekelo yequartile? Iiquartiles ngamaxabiso ahlula uluhlu lwamanani kwiikota: Beka uluhlu lwamanani ngokulandelelana. Emva koko sike uluhlu lube ngamacandelo amane alinganayo. IiQuartiles zikwindawo "esikiweyo"
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Umzekelo: 1, 3, 3, 4, 5, 6, 6, 7, 8, 8
- I-Quartile 1 (Q1) = 3.
- I-Quartile 2 (Q2) = 5.5.
- I-Quartile 3 (Q3) = 7.
Uzifumana njani iiQuantiles?
I-Quantiles ngamanqaku kunikezelo oluhambelana nolandelelwano lwenqanaba lwamaxabiso kolo lwabiwo. Kwisampuli, unokufumana nayiphi na i-quantile ngokulungelelanisa isampuli. Ixabiso eliphakathi lesampulu ehleliweyo (i-quantile ephakathi, i-50th percentile) yaziwa ngokuba yi-median. Imida ngowona maxabiso aphantsi nawona aphezulu.
Lithini ixabiso le quartile yesithathu? I-quartile yesithathu (okanye i-quartile ephezulu), i-Q3, inexabiso le-f elilinganayo ukuya 0.75. Uluhlu lwe-interquartile, IQR, luchazwa njenge-Q3-Q1.
Ubala njani i-Quantiles?
Ukuba sinenani elilinganayo lamanqaku, sikhetha ixabiso eliphakathi phakathi kwamaxabiso amabini asembindini. Kwi-median, umzekelo, i-0.5 quantile, i = q ( n+1) = 0.5 amaxesha (57 + 1) = 29, ukujonga kwe-29 njengangaphambili. 4.50 + (4.56 - 4.50) amaxesha (43.5 - 43) = 4.53.
Uzisombulula njani iiquartiles?