Practice Loss Of Information (3.5.9) - Organisation of Data

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9 questions

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Exercise
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6 sample questions

Question 1.
What does 'raw data' refer to?
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Think about data before any sorting or analysis.
Question 2.
Define 'frequency distribution'.
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Consider it a summary of occurrences in data.
3Question 3.
What is a frequency distribution?
- A report of individual data points
- An organized representation showing occurrences in classes
- A list of all raw data
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Remember what summarization means.
4Question 4.
True or False: Classifying data ever leads to a total loss of information.
- True
- False
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Consider how data is grouped into classes.
Question 5.
Create a frequency distribution based on data of heights from 5 individuals, 5’5”, 5’7”, 5’8”, 6’1”, and 5’10”. What can you conclude about the variability?
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Look for patterns in how many individuals fall into each height range.
Question 6.
Using a set of monthly expenditures for 8 households, analyze how the average might misrepresent individual financial consumption. Give examples based on extremes in expenditures.
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Focus on how outliers can distort perceptions.

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