Question: please recheck work. i got sum -131 Components: . (X; - X ) ( Yi - Y): . (18 - 10.5) (6 -12) = -45

please recheck work. i got sum -131

please recheck work. i got sum -131 Components: .
Components: . (X; - X ) ( Yi - Y): . (18 - 10.5) (6 -12) = -45 . (3 - 10.5) (17 - 12) = -27.5 . (12 - 10.5) (9 - 12) = -4.5 . (8 - 10.5) (22 - 12) = -25 . (15 - 10.5) (7 - 12) = -22.5 . (7 - 10.5) (11 - 12) = 5.5 Sum: -45 + (-27.5) + (-4.5) + (-25) + (-22.5) +5.5 = -119

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