Question 312064
a) Xave={{{51}}}, Yave={{{136.33}}}
Sum of squares x terms (SSXX)={{{650}}}
Sum of squares y terms (SSYY)={{{1562}}}
Sum of squares xy terms (SSXY)={{{967}}}
b=SSXY/SSXX={{{1.4877}}}
b'=SSXY/SSYY={{{0.6191}}}
r^2=b*b'={{{0.920}}}
a=Yave-b(Xave)={{{60.46}}}
{{{highlight_green(y=1.49x+40.46)}}}
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b) {{{y=1.49x+40.46}}}
{{{y=1.49(50)+60.46}}}
{{{y=1.49(50)+60.46}}}
{{{y=74.385+60.46}}}
{{{y=134.85}}}
135 mm