State the Null and Alternative Hypothesis $\mathrm { H } _ { 0 }$

Multiple Choice

State the null and alternative hypothesis.

A) $\mathrm { H } _ { 0 }$ : There is no difference in the mean stress levels of married and unmarried people.
$\mathrm { H } _ { \mathrm { a } }$ : There is a difference in the mean stress levels of married and unmarried people.
B) $\mathrm { H } _ { 0 }$ : Marital status and stress levels are associated.
$\mathrm { H } _ { \mathrm { a } }$ : Marital status and stress levels are not associated.
C) $\mathrm { H } _ { 0 }$ : Marital status and stress levels are not associated. $\mathrm { H } _ { \mathrm { a } }$ : Marital status and stress levels are associated.
D) $\mathrm { H } _ { 0 }$ : Marital status and stress levels are not associated.
$\mathrm { H } _ { \mathrm { a } }$ : Mean stress levels of married people are greater than the mean stress levels of unmarried people.