document.write( "Question 445417: Consider the sample 2,4,7,8,9. Find the following:\r
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Algebra.Com's Answer #306815 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "a.  Range = 9-1 = 7
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document.write( "b.  Variance =  =  = 8.5
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document.write( "c.  Standard deviation = \r
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document.write( "x	m	diff	diff^2
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document.write( "2	6	-4	16
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document.write( "4	6	-2	4
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document.write( "7	6	1	1
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document.write( "8	6	2	4
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document.write( "9	6	3	9
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document.write( "30			34
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