Standard
Standard
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 Planer Standard Flow  US $8,995.00
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 Brush Chipper Attachment for Skid Steer LoaderRuns on Standard Flow3 Capacity US $8,500.00
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 Harley Landscape Power Rake6Runs On Standard HydraulicsFits All Brand Skids US $6,500.00
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 Bradco Brushcutter For Skid SteersRuns On Standard Flow Hydraulics 78 Cut US $5,999.00
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 FFC 84 Standard Flow Skid Steer Loader Snow Blower NEW Ships Free US $5,799.00
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 Brush Cutter XTreme 72 for Skid Steer Loader Runs on standard flowFits All US $4,999.00
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 Complete BOSS 7 6 Standard Straight Blade Poly US $4,560.00
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 Bradco Brushcutter for Skid Steer LoaderOnly Requires 15 20 GPM Standard Flow US $4,499.00
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 Bradco 60 Brushcutter for Skid Steer Loader15 20 GPM Runs On Standard Flow US $4,499.00
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 72 Xtreme Brush Cutter for Skid Steer Loaders Cuts 5 Runs on Standard Flow US $4,499.00
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 Brush Cutter XTreme 60 for Skid Steer Loader Runs on standard flowFits Cats US $4,499.00
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 Complete BOSS 7 6 Standard Straight Blade Steel US $4,320.00
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 Bradco BC72 72 Standard Flow Skid Steer Loader Brush Cutter 20 24 GPM NEW US $4,299.00
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 Bradco 60 Standard Flow Skid Steer Loader Brush Cutter 15 20 GPM NEW US $4,099.00
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 Standard Flow Drive Pump for Bobcat models S130 S150 US $4,025.00
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 60 BrushCutter For Skid SteersEasily Cuts 5Runs on Standard Flow Hydraulics US $3,999.00
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 Standard 2 Rail Set Screed Rail US $3,995.00
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 TapeTech Standard Full Set with 2 Pumps TTSFS 2 NEW US $3,797.99
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 66 Brush Cutter for Skid Steer LoadersClears TreesBrushRuns on Standard Flow US $3,599.00
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 TapeTech Standard Full Set TTSFS NEW US $3,346.99
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 Standard Flow Drive Pump Bobcat Models 863G and 873G US $3,307.50
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 Star Hill Jawz Grabbing Tool Tree Puller Standard US $3,250.00
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 Terex morrison standard screed powered by honda over hydraulics very nice US $3,000.00
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 Prowler 66 inch Standard Skid Steer Brush Mower Cutter US $2,995.00
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 Standard Flow Single Speed Drive Pump for Bobcat Models US $2,982.04
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 Nighthawk Dura Flex 12x165 Standard Solid Skid Steer Tires NO FLATS Set of 4 US $2,600.00
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How to find the mean and standard deviation of Two normally distributed Sets combined?
I've already taken stats, but I have to do a review for a Class and I cannot remember how to do this!
X1 is normally distributed with a mean of 5 and a standard deviation of 1. X2 is normally distributed with a mean of 7 and a standard deviation of 2. If y = x1 + x2, what is the mean and standard deviation of y?
mean(y) = mean(x1 + x2) = mean(x1) + mean(x2) = 5 + 7 = 12
variance(y) = [stddev(y)]^2
var(y) = var(x1) + var(x2) + 2covar(x1,x2)
If X1 and X2 are independent (it should be mentioned in the problem somewhere), then covar(x1,x2) = 0
then
var(y) = 1^2 + 2^2 = 5
then Stddev(y) = Square Root of 5
