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Find the equations of the two lines of regression for the following observations : $(3,6),(4,5),(5,4),(6,3),(7,2).$Find an estimate of $y$ for $x$ =2.5.
This question has multiple parts. Therefore each part has been answered as a separate question on Clay6.com
isc
class12
modelpaper
2010
sec-a
q7
q7-a
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Apr 12, 2013
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sreemathi.v
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Apr 10, 2013
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If the regression equation of $x$ on $y$ is given by $mx-y+10=0$ and the equation of $y$ on $x$ is given by $-2x+5y=14$,determine the value of 'm' if the coefficient of correlation between $x$ and $y$ is $\large\frac{1}{\sqrt {10}}$.
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Apr 11, 2013
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isc
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The data for marks in Physics and History obtained by ten students are given below :
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Apr 15, 2013
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isc
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Sketch and shade the area of the region lying in the first quadrant and bound by $y=9x^2,x=0,y=1$ and $y=4$.Find the area of the shaded region.
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Apr 19, 2013
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isc
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2004
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