Lucy Baker Is Analyzing Demographic Characteristics of Two Television Programs $\mu$

Multiple Choice

Lucy Baker is analyzing demographic characteristics of two television programs, Lost (population 1) and Heroes (population 2) .Previous studies indicate no difference in the ages of the two audiences.(The mean age of each audience is the same.) Lucy plans to test this hypothesis using a random sample of 100 from each audience.Her null hypothesis is ___.

A) $\mu$ ₁ - $\mu$ ₂ $\neq$ 0
B) $\mu$ ₁ - $\mu$ ₂ > 0
C) $\mu$ ₁ - $\mu$ ₂ = 0
D) $\mu$ ₁ - $\mu$ ₂ < 0
E) $\mu$ ₁ - $\mu$ ₂ < 1