Express the Alternative Hypothesis in Symbolic Form $H _ { 1 } : \mu _ { 1 } = \mu _ { 2 }$

Multiple Choice

Express the alternative hypothesis in symbolic form. A professor claims that the mean amount of time (in hours) sophomores spent studying for the statistics final exam is more than that of freshmen. Assume that the two Samples are independent. Let the freshmen be the first population and the sophomores be the second Population.

A) $H _ { 1 } : \mu _ { 1 } = \mu _ { 2 }$
B) $H _ { 1 } : \mu _ { 1 } \neq \mu _ { 2 }$
C) $H _ { 1 } : \mu _ { 1 } < \mu _ { 2 }$
D) $H _ { 1 } : \mu _ { 1 } > \mu _ { 2 }$