Practice Adjustment In Class Interval (3.5.6) - Organisation of Data

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6 sample questions

Question 1.
What is a class interval?
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Think about how data is grouped.
Question 2.
Why is continuity important in data classification?
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Consider what happens if there's a gap.
3Question 3.
What does a class interval represent?
- A type of data
- A range of values
- A statistical error
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Think about how data is categorized.
4Question 4.
True or False: Continuous data requires class intervals to eliminate gaps.
- True
- False
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Consider the importance of smooth data flow.
Question 5.
Suppose you have raw data on car speeds ranging from 45 to 115 mph. If the class intervals are defined as 45-55, 55-65, ..., identify how to adjust these classes if necessary.
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Check each interval for overlaps.
Question 6.
You are examining a dataset for scores that range from 62-88. How would you adjust your class intervals to enhance clarity?
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Think about the limits of each class.

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