5 Questions
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?
To accurately reflect that most people have lower incomes while a small elite has extremely high incomes
Why do we need different kinds of averages according to the text?
"The average that we're used to" might be misleading in certain situations
Test your knowledge of mean, median, mode, and range with this quiz. Explore the concept of averages and learn why different kinds of averages are needed in statistics.
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