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Question Number 79089 by TawaTawa last updated on 22/Jan/20

Commented by mr W last updated on 22/Jan/20

$$set2:$$$$standarddeviation{\sigma }_2=2{\sigma }_1=2\times 3.5=7$$$$variance{\sigma }_2^2=7^2=49$$

Commented by TawaTawa last updated on 23/Jan/20

$$\mathrm{God}\mathrm{bless}\mathrm{you}\mathrm{sir}$$

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