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# Mean, Median, Mode, and Range Quiz

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@TopRed

### What is the difference between mean, median, and mode?

Mean is the sum of all values divided by the number of values; median is the middle value in a set of data; mode is the most frequently occurring value in a set

### Why might the numerical average be misleading?

When there is a small elite with extremely high incomes in a population, while most people have very low incomes

### What does 'range' express in statistics?

The difference between the largest and smallest values in a data set

### Why might a different sort of average be used to express income instead of numerical average?

<p>To accurately reflect that most people have lower incomes while a small elite has extremely high incomes</p> Signup and view all the answers

### Why do we need different kinds of averages according to the text?

<p>&quot;The average that we're used to&quot; might be misleading in certain situations</p> Signup and view all the answers

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