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Questions and Answers
How is the median calculated when there's an even number of values in a data set?
How is the median calculated when there's an even number of values in a data set?
- It is the sum of the two middle numbers
- It is the maximum of the two middle numbers
- It is the minimum of the two middle numbers
- It is the average of the two middle numbers (correct)
Which measure of central tendency is the number that appears most frequently in a data set?
Which measure of central tendency is the number that appears most frequently in a data set?
- Range
- Mean
- Mode (correct)
- Median
In which fields are measures of central tendency widely used?
In which fields are measures of central tendency widely used?
- Business, economics, psychology, and sociology (correct)
- History, literature, and arts
- Engineering, mathematics, and computer science
- Physics, chemistry, and biology
What do measures of central tendency provide for a data set?
What do measures of central tendency provide for a data set?
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Study Notes
Calculating the Median
- When there's an even number of values in a data set, the median is calculated as the average of the two middle values.
Mode
- The mode is the measure of central tendency that represents the number that appears most frequently in a data set.
Applications of Measures of Central Tendency
- Measures of central tendency are widely used in fields such as economics, social sciences, business, and medicine.
Importance of Measures of Central Tendency
- Measures of central tendency provide a summary of a data set, helping to understand the typical value of the data.
- They help to identify the central position of the data, giving an idea of where most of the data points are clustered.
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