When we are using a two-tailed hypothesis test, the null hypothesis is of the form A) H ₁ : µ ≠ 50. B) H ₁ : µ C) H ₁ : µ 50. D) H ₀ : µ = 50.

Question

When we are using a two-tailed hypothesis test, the null hypothesis is of the form A) H ₁ : µ ≠ 50. B) H ₁ : µ C) H ₁ : µ > 50. D) H ₀ : µ = 50.

Quizplus · Accepted Answer

In a two-tailed hypothesis test, the null hypothesis is always of the form H0: µ = some value, since the alternative hypothesis is that the mean is either greater than or less than the null value. Choice D is the only option with µ = 50, which represents the null value.

When We Are Using a Two-Tailed Hypothesis Test, the Null