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  • Statistisk størrelse med en kjent samplingfordeling. Beregnes for et utvalg og benyttes til å avgjøre utfallet av en statistisk test.


  • Observator = (p^ - p) / standard error mean.
    • T = Z = (snitt-x - u) / (standardavvik / sqrt(populasjon))
    • Testobservator (z-verdi)= snitt-X -u0/(s/(rot(n))
    • Testobservator=(snitt-x - H0) / (standardavvik / sqrt(populasjon))
    • T, testobservator= (X-u) / (S/ (rot(n)))
    • T= t* = punktestimat / (utvalgsstandardavvik / rot(n))
  • Z, testobservator =(Punktestimat-H0) / ROT( (H0 * (1-punktestimat H0))/n )

Undertemaer:

Testobservator:

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