the class mark of class interval 40 - 58
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Answered by
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class mark= upper limit+ lower limit by 2
40+58by 2
98by 2
=49
40+58by 2
98by 2
=49
Answered by
0
hello mate
the class mark ==upper limit +lower limit /2
=58 +40/2 == 49
the class mark ==upper limit +lower limit /2
=58 +40/2 == 49
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