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9.5: Sura ya Tathmini ya Mfumo

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    180013

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    Usambazaji wa 9.3 unahitajika kwa ajili ya Upimaji

    \ (\ PageIndex {6}\) Takwimu za Mtihani wa Njia, Ukubwa wa Mfano wa Tofauti, Idadi ya Watu Inayojulikana au haijulikani “>
    Ukubwa wa sampuliTakwimu za mtihani
    <30
    (\(\sigma\)haijulikani)    		\(t_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}\)
    <30
    (\(\sigma\)inayojulikana)    		\(Z_{c}=\frac{\overline{X}-\mu_{0}}{\sigma / \sqrt{n}}\)
    > 30
    (\(\sigma\)haijulikani)    		\(Z_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}\)
    > 30
    (\(\sigma\)inayojulikana)    		\(Z_{c}=\frac{\overline{X}-\mu_{0}}{\sigma / \sqrt{n}}\)
    \(\PageIndex{6}\)Takwimu za Mtihani wa Jedwali kwa Mtihani wa Njia, Ukubwa wa Mfano tofauti, Idadi ya Watu