Frequency Table (Histogram)
Bins	Midpoint	Abs. Frequency	Rel. Frequency	Cumul. Rel. Freq.	Density
[20,40[	30	2	0.08	0.08	0.004
[40,60[	50	1	0.04	0.12	0.002
[60,80[	70	1	0.04	0.16	0.002
[80,100[	90	0	0	0.16	0
[100,120[	110	0	0	0.16	0
[120,140[	130	1	0.04	0.2	0.002
[140,160[	150	1	0.04	0.24	0.002
[160,180[	170	0	0	0.24	0
[180,200[	190	2	0.08	0.32	0.004
[200,220[	210	2	0.08	0.4	0.004
[220,240[	230	4	0.16	0.56	0.008
[240,260[	250	0	0	0.56	0
[260,280[	270	2	0.08	0.64	0.004
[280,300[	290	0	0	0.64	0
[300,320[	310	0	0	0.64	0
[320,340[	330	0	0	0.64	0
[340,360[	350	0	0	0.64	0
[360,380[	370	0	0	0.64	0
[380,400[	390	3	0.12	0.76	0.006
[400,420[	410	0	0	0.76	0
[420,440[	430	1	0.04	0.8	0.002
[440,460[	450	0	0	0.8	0
[460,480[	470	0	0	0.8	0
[480,500[	490	0	0	0.8	0
[500,520[	510	1	0.04	0.84	0.002
[520,540[	530	0	0	0.84	0
[540,560[	550	1	0.04	0.88	0.002
[560,580[	570	0	0	0.88	0
[580,600[	590	0	0	0.88	0
[600,620[	610	1	0.04	0.92	0.002
[620,640[	630	0	0	0.92	0
[640,660[	650	0	0	0.92	0
[660,680[	670	0	0	0.92	0
[680,700[	690	0	0	0.92	0
[700,720[	710	0	0	0.92	0
[720,740[	730	0	0	0.92	0
[740,760[	750	0	0	0.92	0
[760,780[	770	0	0	0.92	0
[780,800[	790	0	0	0.92	0
[800,820[	810	0	0	0.92	0
[820,840[	830	0	0	0.92	0
[840,860[	850	0	0	0.92	0
[860,880[	870	0	0	0.92	0
[880,900[	890	0	0	0.92	0
[900,920[	910	0	0	0.92	0
[920,940[	930	0	0	0.92	0
[940,960[	950	1	0.04	0.96	0.002
[960,980[	970	0	0	0.96	0
[980,1000[	990	0	0	0.96	0
[1000,1020[	1010	0	0	0.96	0
[1020,1040]	1030	1	0.04	1	0.002