In Kemera Secondary school, there are 110 candidates. They sat for a test and scored the following marks a)i)Find the value of X ii)Draw a cumulative frequency...

      

In Kemera Secondary school, there are 110 candidates. They sat for a test and scored the following marks

a)i)Find the value of X
ii)Draw a cumulative frequency curve representing the information above.
b)Use the graph to estimate the;
i)Median
ii)70^th percentile
c)If 20% of the candidates passed the test, use the graph to determine the passmark.

  

Answers

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Kavungya answered the question on September 23, 2019 at 09:39

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