Question 334446
{{{N=14}}}
{{{ xave=-1 }}}
{{{yave=2.87}}}
{{{SSxx=182}}}
{{{SSyy=4.66}}}
{{{SSxy=-29.12}}}
{{{b1=-0.160}}}
{{{b2=-6.25}}}
{{{r^2=b1*b2=1}}}
{{{highlight(r=-1)}}}
{{{a=2.71}}}
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{{{drawing(300,300,-8,6,-6,8,grid(1),
circle( -7, 3.83 , 0.2 ), 
circle( -6, 3.67, 0.2),
circle( -5, 3.51, 0.2),
circle( -4, 3.35, 0.2),
circle( -3, 3.19, 0.2),
circle( -2, 3.03, 0.2),
circle( -1, 2.87, 0.2),
circle( 0, 2.71, 0.2),
circle( 1, 2.55, 0.2),
circle( 2, 2.39, 0.2),
circle( 3, 2.23, 0.2),
circle( 4, 2.07,  0.2),
circle( 5, 1.91, 0.2),
graph(300,300,-8,6,-6,8,-0.16x+2.71))}}}

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