A) \[-3.1\]
B) \[-3.2\]
C) \[-3.3\]
D) \[-3.4\]
E) \[-3.5\]
Correct Answer: C
Solution :
\[\because \]\[{{b}_{yx}}=\frac{\Sigma xy-\frac{1}{n}\Sigma x\Sigma y}{\Sigma {{x}^{2}}-\frac{1}{2}{{(\Sigma x)}^{2}}}=\frac{850-\frac{30\times 400}{10}}{196-\frac{{{(30)}^{2}}}{10}}\] \[=\frac{850-1200}{196-90}=-\frac{350}{106}=-3.3\]You need to login to perform this action.
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