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What we will learn
Know your problem
Know your data
Visualize your data - bar chart
8. Recognize the problem
Work with your chart
Check yourself


Now that we know exactly what is in our dataset, let's ask some specific questions about it:

  • Has alcohol consumption in Zimbabwe steadily increased?
  • What are the highest and lowest levels of alcohol consumption in Zimbabwe? When did they occur?
  • What is the typical range of alcohol consumption in Zimbabwe?
  • How much larger is the maximum consumption level than the minimum level?
  • Are there any obvious patterns of alcohol consumption?
  • How did Zimbabwe's alcohol consumption change in the last three decades? How did it change in the last decade?