calculate mean of the following distribution by short cut method: marks: 0-4 4-8 8-12 12-16 16-20 number of students: 4 8 2 1 5
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Answer:
3.6 is the correct answer.
Step-by-step explanation:
Mean = Addition of all numbers
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total number
= 4+8+2+1+5
--------------------------------
5
= 18
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5
= 3.6
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Answer:
Step-by-step explanation:
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