12.4: Ukweli Kuhusu Usambazaji wa F
- Page ID
- 179280
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Hapa ni baadhi ya ukweli kuhusu\(\bf F\) usambazaji.
- Curve si symmetrical lakini skewed kwa haki.
- Kuna safu tofauti kwa kila seti ya digrii za uhuru.
- \(F\)Takwimu ni kubwa kuliko au sawa na sifuri.
- Kama daraja la uhuru kwa nambari na kwa denominator hupata kubwa, pembe inakaribia kawaida kama inavyoonekana katika takwimu mbili zilizo chini. Kielelezo (b) na digrii zaidi ya uhuru inakaribia kwa karibu zaidi usambazaji wa kawaida, lakini kumbuka kwamba\(F\) hawezi kuwa chini ya sifuri hivyo usambazaji hauna mkia unaoenda usio na mwisho upande wa kushoto kama usambazaji wa kawaida unavyofanya.
- Matumizi mengine kwa ajili ya\(F\) usambazaji ni pamoja na kulinganisha tofauti mbili na njia mbili Uchambuzi wa Uchanganuzi. Njia mbili Uchambuzi ni zaidi ya upeo wa sura hii.