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The question you have uploaded appears to show a frequency table based on the weights of 80 students. The weight categories are divided into ranges (e.g., 30-34 kg, 35-39 kg, etc.), and the corresponding frequencies (the number of students in each range) are provided.

The table is as follows:

| Weight (kg) | Frequency |
|-------------|-----------|
| 30 – 34     | 8         |
| 35 – 39     | 10        |
| 40 – 44     | 13        |
| 45 – 49     | 17        |
| 50 – 54     | 14        |
| 55 – 59     | 1         |
| 60 – 64     | 7         |

To solve the questions based on this table, you might be asked to find things like:

1. **Mean (average) weight**: This can be done using the midpoint of each weight class and calculating the weighted mean.
2. **Median**: This would involve finding the cumulative frequency to determine the class interval where the median lies.
3. **Mode**: The mode would be the class interval with the highest frequency.
4. **Standard Deviation**: This would involve calculating the variance and then finding its square root.

Let me know which specific task or calculation you'd like to perform, and I can guide you through it!

Data berat badan dari 80 siswa suatu sekolah disajikan pada tabel berikut. Temukan nilai-nilai statistika seperti rata-rata, median, modus, dan simpangan baku.

Learn how to calculate the mean, median, mode, and standard deviation from a frequency table of student weights. The problem involves analyzing weight categories of 80 students in ranges from 30 to 64 kg. Suitable for high school students in Grades 10-12.

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