Kindly explain in a clear format. Consider the ff. variables to answer the ff. question : (a) income and hours worked (b) respondents confidence in health care system and trust in doctors. QUESTION: Does the number of hours worked weekly bu the respondents affect the household income? kindly explain (1) the factors of the tests (2) explain WHY ONE SAMPLE TEST is APPROPRIATE TO use. Please cite proper literature (such as journal articles, etc.)