The one-sample t test
H₀: μ = 5 · H₁: μ ≠ 5
t = 1.9795 · df = 11 · p = 0.0733
p = 0.0733 > α = 0.05: H₀ is not rejected. The data do not rule out a true mean of 5, but that is not proof that it is 5.
Your data
n = 12 · df = 11
x̄ = 5.8
s = 1.4
two-tailed · H₁: μ ≠ μ₀
Hypothesis Testing Lab · CloudWorrior Labs(opens in a new tab)