Video: Qhov qis tshaj yog dab tsi?
2024 Tus sau: Edward Hancock | [email protected]. Kawg hloov kho: 2023-12-16 01:32
qis heev (plural qis heev ) (mathematics) Tus lej tsawg tshaj plaws nyob rau hauv cov ntaub ntawv teev, feem ntau nyob deb ntawm interquartile ntau dua li lwm cov ntaub ntawv hauv txheej.
Tsuas yog li ntawd, qhov qis thiab sab saud yog dab tsi?
Cov qis dua thiab sab sauv yooj yim dua los txheeb xyuas. Cov qis heev yog tus nqi tsawg kawg nkaus hauv cov ntaub ntawv teev thiab cov siab heev yog tus nqi loj tshaj plaws. Qhov ob qhov tseem ceeb no tuaj yeem pom ncaj qha los ntawm cov ntaub ntawv txiav txim.
Ib yam li ntawd, dab tsi yog qhov qis thiab sab sauv huab cua hauv ib lub thawv thiab whisker zaj duab xis? Qhov tseem ceeb yuav tsum tau kos ib box-and-whisker plot yog: Median - tus naj npawb nruab nrab ntawm cov ntaub ntawv teev uas tau txiav txim los ntawm qhov tsawg tshaj plaws mus rau qhov loj tshaj. Qab thiab sab sauv quartiles - qhov tseem ceeb uas faib cov ntaub ntawv muab faib ua plaub ntu. Lower thiab Upper extremes - qhov tsawg tshaj plaws thiab qhov tseem ceeb tshaj plaws hauv cov ntaub ntawv teev.
Ib yam li ntawd, nws raug nug, dab tsi yog qhov siab tshaj plaws?
siab heev (plural sab saum toj kawg nkaus ) (mathematics) Qhov loj tshaj plaws los yog tus lej loj tshaj plaws hauv cov ntaub ntawv teev, feem ntau nyob deb ntawm qhov sib txawv.
Kuv yuav nrhiav tau thawj quartile li cas?
Cov thawj quartile , npe Q1, yog qhov nruab nrab ntawm qis ib nrab ntawm cov ntaub ntawv teev. Qhov no txhais tau hais tias kwv yees li 25% ntawm cov lej hauv cov ntaub ntawv teev nyob hauv qab Q1 thiab txog 75% dag saum Q1. Qhov thib peb quartile , npe Q3, yog qhov nruab nrab ntawm lub sab sauv ib nrab ntawm cov ntaub ntawv teev.
Pom zoo:
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