The symbolic form of the null and alternative hypothesis is
Null hypothesis H₀ : μ = 68 inches
Alternate hypothesis H₁ : μ ≠ 68 inches
Mean height of adolescents in the chis sample to 68 inches
Null hypothesis H₀ : μ = 68 inches
Alternate hypothesis H₁ : μ ≠ 68 inches
It is a two tailed test
∞ = 0.05 (let)
α = level of significance
Therefore, the symbolic form of the null and alternative hypothesis for comparing the mean height of adolescents in the chis sample to 68 inches is
Null hypothesis H₀ : μ = 68 inches
Alternate hypothesis H₁ : μ ≠ 68 inches
To learn more about null hypothesis refer here
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