Gjennomfør en t-test: H0:μ=50H_0: \mu = 50H0:μ=50, H1:μ≠50H_1: \mu \neq 50H1:μ=50, xˉ=53\bar{x}=53xˉ=53, s=10s=10s=10, n=25n=25n=25, α=0,05\alpha=0{,}05α=0,05.
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t=53−5010/25=32=1,5\displaystyle t = \frac{53-50}{10/\sqrt{25}} = \frac{3}{2} = 1{,}5t=10/2553−50=23=1,5. tkrit=t0,025,24≈2,064t_{krit} = t_{0{,}025, 24} \approx 2{,}064tkrit=t0,025,24≈2,064. ∣1,5∣<2,064|1{,}5| < 2{,}064∣1,5∣<2,064: forkaster ikke H0H_0H0. p-verdi ≈0,15>0,05\approx 0{,}15 > 0{,}05≈0,15>0,05.
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