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Good day! Using this table can you help me to find the mean, variance and standard deviation? Thank you! X f ( x ) PC

Good day! Using this table can you help me to find the mean, variance and standard deviation? Thank you!

X f ( x ) PC * ) x . P(+) x 2 * * . P(x ) - O 17 / 34 1 12 4 2 3 9 9 /34 27/ 34 9 81 134 40 / 17 4 5 5/34 10 / 17 He 3 3 134 15/34 15 / 34 15 25 34 /34 48/ 17 Total : 182 / 17 Total

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