The U.S. Census Bureau reported in 2002 that, for people 18-24 years old, the mean annual income for people who never married was $21,539 and for married people was $19,321. Suppose that this...

Write the null and hypothesis for this test.


Extracted text: The U.S. Census Bureau reported in 2002 that, for people 18-24 years old, the mean annual income for people who never married was $21,539 and for married people was $19,321. Suppose that this information came from a survey of 100 people from each group. Is this evidence that people who never married earn more than people who married?