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The following summarizes the number of fiction read last summers by a sample of 28 students.
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The following summarizes the number of fiction read last summers by a sample of 28 students.

The following summarizes the number of fiction read last summers by a sample of 28 students-example-1
User J Calbreath
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SOLUTION:

The mean is given by the formula;


(\sum_^fx)/(\sum_^x)

We calculate this as;


(2(3)+3(10)+4(15))/(3+10+15)=3.4

Therefore, the mean is 3.4

User Giles Thompson
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