a-95-confidence-interval-for-1-2-is-12-58-what-does-this-interval-indicate-about

Question

A 95% confidence interval for μ1 - μ2 is (1.2, 5.8). What does this interval indicate about the claim that μ1 = μ2?

Accepted Answer

The interval does not include zero, so we reject the claim that μ1 = μ2.

Answer

The interval is inconclusive.

Answer

The interval proves μ1 < μ2.

Answer

The interval includes zero, so we cannot reject the claim that μ1 = μ2.