C	B	A	D
Data
1220		Sample size	10
1279		Min	1220
1229		Max	1470
1290		Range	250
1291		Bins	5
1291		Width	50
1291
1300			Bins	Freq	RF
1466			1270	2	0.2
1470			1320	6	0.6
			1370	0	0
			1420	0	0
			1470	2	0.2
				10	1
		Mode	1291
		Median	1291
		Mean	1312.7
		StDev	86.33
		CV	0.07	6.58%