In a frequency distribution, the mid value of a class is 75 and the lower limit of the class is 69, then the upper
limit of the class is
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Given : In a frequency distribution, the mid value of a class is 75 and the lower limit of the class is 69
To Find : the upper limit of the class
Solution:
Mid value of class = ( Lower limit + Upper Limit )/2
Mid Value = 75
Lower Limit = 69
Upper Limit = X
=> 75 = ( 69 + X)/2
Multiplying both sides by 2
=> 150 = 69 + X
Subtracting 69 from both sides
=> 81 = X
Upper limit of class = 81
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