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Expert Answer

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  Seshu Inapanuri answered this

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  Formulae for finding Mean and Standard deviations are mentioned below:

  

  

  For generating Dot diagram, arrange the data in ascending order and find their frequencies then plot a dot plot of them.

  For 6 Hours Exercise Dot plot is

  

  For No Exercise Dot Plot is,

  

  Hi,

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  I've given you the answers attached with images in Excel, go through these and if You've any query please do mention it in comment section.

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