Q36 of 180 Page 3

Find the value of p for the following distribution whose mean is 14.























x:



5



10



12



p



16



18



20



f :



10



20



15



20



12



8



4



Given: Mean of the data is 14


Concept Used:


















































x



f



fx



5



10



50



10



20



200



12



15



180



P



20



20p



16



12



192



18



8



144



20



4



80



N = 89



∑fx = 20p + 846



Given, mean = 14




20p = 1246 - 846


20p = 400



p = 20


Hence, the value of p is 20.


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