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3 votes
Can someone help me with this topic

Can someone help me with this topic-example-1
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User JdeBP
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1 Answer

5 votes
You can take the mean of each category (assuming it is evenly distributed) and calculate the mean as (10x4 + 30x3 + 50x2 + 70x1) / (4+3+2+1) = 300/10 = 30
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User Idrisjafer
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