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Question

If the mean of the given data is 250, then find the value of p. 

Class interval Frequency010071002001120030015300400p4005008  [2 MARKS]      


Solution

Concept: 1 Mark
Application: 1 Mark

Class  MarksFrequencyfixi507350150111650250153750350p350p45083600  

fi=41+p and fixi=9350+350p

9350+350p41+p=250

9350+350p=10250+250p

100p=900

p=9


Mathematics

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