The table below shows the distribution of marks scored by 100 candidates in an examination.

      

The table below shows the distribution of marks scored by 100 candidates in an examination.
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a) Find k.
b) Using an assumed mean of 44.5 calculate.
i) The mean
ii) The standard deviation.
c) Calculate the median

  

Answers


sharon
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sharon kalunda answered the question on May 8, 2019 at 13:54


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