A) \[-\frac{4}{7},-\frac{11}{7}\]
B) \[-\frac{4}{7},\frac{11}{7}\]
C) \[\frac{4}{7},-\frac{11}{7}\]
D) \[4,\,7\]
Correct Answer: A
Solution :
Since, lines of regression pass through\[(x,\text{ }y),\] then the given equation will be \[4\overline{x}+3\overline{y}+7=0\] and \[3\overline{x}+4\overline{y}+8=0\] On solving, we get \[\overline{x}=-\frac{4}{7}\]and\[\overline{y}=-\frac{11}{7}\]
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