Units	Study hrs	Study hrs 100C
	16	28	5
	13	28	4
	20	20	3.5
	12	19	5												244.949	73.48469
	12	15	5												282.8427	197.9899			294.1088
	16	15	5													271.4746			215.6386
	16	14	4													72900
	14	11.5	4
	16	10	3													273.8613
	16	10	2													254.951		288.4677
	12	10	3													62500
	16	10	3													67600
	16	9	2.5													275.681
	19	9	2													236.6432		0.6
	12	8.5	2.5
	12	8	2.5
	16	8	5
	12	8	4
	16	7.5	3
	12	7	4
	17	5	1
	16	5	1
	16	3	1
median	16	10	3
mean	14.91	11.67	3.26