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Finding Mid Range, Standard Deviation and Variance

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Monthly sales figures for a store are as follows:

Jan $62k Feb $71k Mar $68k Apr $47k
May $71k Jun $69k Jul $80k Aug $75k
Sept $87k Oct $77k Nov $63k Dec $70k

Find the:
a.Mid-range
b.Standard Variance
c.Standard Deviation

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Solution Summary

The solution describes the steps to calculate mid range, standard deviation and variance of given data.

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  • BEng (Hons) , Birla Institute of Technology and Science, India
  • MSc (Hons) , Birla Institute of Technology and Science, India
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