The table below shows the masses in kg of some form three students in a school.

      

The table below shows the masses in kg of some form three students in a school.


a)
i) State the median class.
ii) Using an assumed mean of 54.5, calculate the mean mass.

b) Calculate the standard deviation of the data, give your answer correct to 2 decimal places.

  

Answers

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Wilfykil answered the question on September 13, 2019 at 08:02

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