Clark Reeves
04/06/2024 · Elementary School
\( \left. \begin{array} { l } { \operatorname { cov } ( x , y ) = \frac { 1 } { 8 } ( 1 \cdot 8 + 3 \cdot 9 + 4 \cdot 12 + 2 \cdot 10 + 5 \cdot 11 } \\ { + 7 \cdot 15 + 8 \cdot 16 + 6 \cdot 13 ) - 4,5 \cdot 11,75 = } \end{array} \right. \)
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Значение ковариации \( x \) и \( y \) равно \( 5.75 \).
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