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10 questions from this quiz
N(μ,σ2n)N\left(\mu, \frac{\sigma^2}{n}\right)N(μ,nσ2)
111
No change in mean (default position)
H1:μ>21H_1: \mu > 21H1:μ>21
2.5%2.5\%2.5%
Where we reject H0H_0H0 if observation lies
Reject H0H_0H0 (0.0334 < 0.05)
μ\muμ
Xˉ∼N(5,σ2n)\bar{X} \sim N\left(5, \frac{\sigma^2}{n}\right)Xˉ∼N(5,nσ2)
p-value
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