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\hline Q.35 & $\begin{array}{l}\text { Three points in the } x-y \text { plane are }(-1,0.8),(0,2.2) \text { and }(1,2.8) . \text { The value of the slope } \\

\text { of the best fit straight line in the least square sense is } \\

2 \text { decimal places). }\end{array}$ \\

(Round off to \\

\hline

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