112	141	130	111	134	145	154	142
134	165	165	176	125	153	145	140
134	179	167	120	153	124	148	170

					Less-than		More-than
Class Interval	Class frequency	Upper class limit	Cumulative Frequency	Cumulative Percent	Lower class limit	Cumulative Frequency	Cumulative Percent
	10
100	to under	110	0	110	0	0	100	24	100
110	to under	120	2	120	2	8.33	110	24	100
120	to under	130	3	130	5	20.83	120	22	91.67
130	to under	140	4	140	9	37.5	130	19	79.17
140	to under	150	6	150	15	62.5	140	15	62.5
150	to under	160	3	160	18	75	150	9	37.5
160	to under	170	3	170	21	87.5	160	6	25
170	to under	180	3	180	24	100	170	3	12.5

questions:

1) construct the less-than cumulative frequency diagram;
2) construct the more-than cumulative frequency diagram;