https://file.aiquickdraw.com/mathbot/file/17273195801894tbtft0j.jpg

The image presents a frequency distribution table with class intervals and frequencies, followed by a set of tasks:

1. **Mean (nilai rata-rata)**
2. **Median**
3. **Mode (Modus)**
4. **Quartiles (Q1, Q2, Q3)**
5. **Mean Deviation (Simpangan rata-rata)**
6. **Variance (Ragam)**
7. **Standard Deviation (Simpangan baku)**

Here’s how I will proceed:
- The class intervals (Nilai) range from 65-67 to 80-82.
- The frequencies (f) range from 1 to 13.

Would you like me to start by calculating the **mean** or any specific statistical measure first?

Hitunglah a) Mean/nilai rata-rata, b) Median, c) Modus, d) Q1, Q2, Q3, e) Simpangan rata-rata, f) Ragam/Varian, g) Simpangan baku from the given frequency distribution table.

Solve a frequency distribution problem with tasks including calculating the mean, median, mode, quartiles (Q1, Q2, Q3), mean deviation, variance, and standard deviation. The data is given in class intervals with corresponding frequencies. Suitable for Grades 10-12 students studying descriptive statistics.

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