Question
The mean 2009 income for five families was $\$ 99,520$. What was the total 2009 income of thesefive families?
Step 1
The mean is calculated by dividing the total income by the number of families. We can represent this mathematically as: \[ \bar{X} = \frac{\sum{X}}{N} \] where: \(\bar{X}\) is the mean income, \(\sum{X}\) is the total income, and \(N\) is the number of families. Show more…
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