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ID number:453621
 
Author:
Evaluation:
Published: 29.08.2023.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

1. Jāpārbauda sekojošas hipotēzes:
H0: μ = 15
Ha: μ ≠ 15

Izlases apjoms ir 50 vienības un izlases vidējais ir 14,15.
Standartnovirze ģenerālkopā ir =3.

a. Aprēķināt testa vērtību. t = -2,00 kritiskā v. = -1,96 Nulles hipotēzi ir jānoraida, jo -1.96 > -2.00
b. Aprēķināt "p-vērtību" "p-vērtība" = 0,0451 z = -2,00
c. Izdarīt secinājumus, ja α=0,05 "p-vērtība" divpusējam ir mazāka par "alfu", nulles hipotēzi jānoraida.

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