document.write( "Question 1055588: Six different second-year medical students at Bellevue Hospital measured the blood pressure of the same person. The systolic readings (in mmHg) are listed below. Find the range, variance, and standard deviation for the given sample data. If the subject's blood pressure remains constant and the medical students correctly apply the same measurement technique, what should be the value of the standard deviation? 127 150 121 120 140 128\r
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Algebra.Com's Answer #670811 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi  
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document.write( "Using Excel..Statistical Calculator would work as well
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document.write( "	x	x -131	(x-131)^2
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document.write( "	127	-4	16
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document.write( "	150	19	361
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document.write( "	121	-10	100
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document.write( "	120	-11	121
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document.write( "	140	9	81
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document.write( "	128	-3	9
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document.write( "sum	786	0	688
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document.write( "sum/6	131	sum/5	137.6 variance
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document.write( "		√137.6   11.7 standard deviation (rounded to nearest tenth)
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