Find mean from the given data:
Class Size: 0-10 10-20 20-30 30-40 40-50
Frequency: 6 4 8 7 5
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Answer:
Mean = 6
Step-by-step explanation:
Mean = Sum of Observations/No. of Observations
= (6+4+8+7+5)/5
= 30/5
Mean = 6
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