Median, Mean, Mode and Range from a Frequency Table
Learn how to find the mean, median, mode, and range of a frequency table. Let’s get started! 🚀
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🛎️ Mean from a Frequency Table
- Multiply each value by its frequency and add the results.
- Divide by the total frequency to find the mean.
🛎️ Median from a Frequency Table
- Add the frequencies to find the total number of values (n).
- Use (n + 1) ÷ 2 to find the median position.
- Example: if n = 15, (15 + 1) ÷ 2 = 8, so the 8th value is the median.
🛎️ Range from a Frequency Table
- The range is the largest value minus the smallest value.
- Exam tip: do not use frequencies, only use the values.
🛎️ Mode from a Frequency Table
- The mode is the value that appears the most often.
- It is the value with the highest frequency.
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