Standard errors for table 7: Average net price (in 1999 constant dollars) after grants and loans, by type of institution and family income: 1989–90 and 1999

Table SA15

Standard errors for table 7: Average net price (in 1999 constant dollars) after grants and loans, by type of institution and family income: 1989–90 and 1999–2000

Family income	1989–90	1999–2000

	Public 2-year
Total	$160	$140
Lowest quarter	250	230
Lower middle quarter	260	180
Upper middle quarter	210	200
Highest quarter	230	200

	Public 4-year
Total	$110	$100
Lowest quarter	130	150
Lower middle quarter	130	140
Upper middle quarter	100	130
Highest quarter	120	130

	Private not-for-profit 4-year
Total	$440	$300
Lowest quarter	320	330
Lower middle quarter	290	460
Upper middle quarter	270	380
Highest quarter	660	380

	Private for-profit less-than-4-year
Total	$280	$430
Lowest quarter	360	320
Lower middle quarter	440	730
Upper middle quarter	510	880
Highest quarter	710	1,130

SOURCE: U.S. Department of Education, NCES, 1989–90 and 1999–2000 National Postsecondary Student Aid Studies (NPSAS:90 and NPSAS:2000).