Yuav ua li cas ua haujlwm tawm qhov sib txawv?

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Yuav ua li cas ua haujlwm tawm qhov sib txawv?
Yuav ua li cas ua haujlwm tawm qhov sib txawv?

Video: Yuav ua li cas ua haujlwm tawm qhov sib txawv?

Video: Yuav ua li cas ua haujlwm tawm qhov sib txawv?
Video: Zom hniav thaum caij tsaug zog yuav ua li cas ? 2024, Kaum ib hlis
Anonim

txhawm rau nrhiav qhov sib txawv ntawm qhov sib txawv (IQR), ua ntej nrhiav qhov nruab nrab (tus nqi nruab nrab) ntawm qis thiab sab saud ib nrab ntawm cov ntaub ntawv. Cov nqi no yog quartile 1 (Q1) thiab quartile 3 (Q3). IQR yog qhov txawv ntawm Q3 thiab Q1.

Koj ua li cas xam qhov sib npaug li cas?

Cov mis sib xyaw ua ke yog thawj lub quartile rho tawm ntawm peb lub quartile: IQR=Q 3 - Q 1

Dab tsi yog qhov piv txwv interquartile?

Qhov sib npaug sib npaug yog sib npaug rau Q3 rho tawm Q1. Piv txwv li, xav txog cov lej hauv qab no: 1, 3, 4, 5, 5, 6, 7, 11. Q1 yog tus nqi nruab nrab hauv thawj ib nrab ntawm cov ntaub ntawv teev. … Lub interquartile ntau yog Q3 rho Q1, yog li IQR=6.5 - 3.5=3.

Koj suav Q1 thiab Q3 li cas?

First Quartile(Q1)=((n + 1)/4)th Term. Thib ob Quartile(Q2)=((n + 1)/2)th Lub sijhawm. Third Quartile(Q3)=(3 (n + 1)/4)th Term.

Dab tsi yog qhov sib npaug sib npaug hauv lej?

Qhov "Interquartile Range" yog qhov sib txawv ntawm tus nqi tsawg tshaj plaws thiab tus nqi loj tshaj plaws ntawm nruab nrab 50% ntawm cov ntaub ntawv.

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