Question
$y=\frac{3 x-5}{2 x+7}$
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| Particulars | $x$ | $Y$ |
| Average | $60$ | $95$ |
| The sum of squares of deviations taken from their mean | $920$ | $1050$ |
| The sum of product of deviations taken from their mean | $-545$ | |
| Students | $1$ | $2$ | $3$ | $4$ | $5$ | $6$ | $7$ | $8$ |
| Marks in Statistics (X) | $79$ | $37$ | $99$ | $26$ | $76$ | $83$ | $91$ | $63$ |
| Marks inAccountancy (Y) | $86$ | $53$ | $93$ | $62$ | $70$ | $64$ | $88$ | $57$ |