The following data describes grades of students in geometry. Complete the frequency table for this data.

77.5,83.7,98.5,83.3,77.1,93.4,99.7,94.5,80.1,81.1,78.2,91.1,76.2,91.5,82.2,79.3,92.1,83.4

Determine the frequency of each class in the table shown.
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Grades of Students in Geometry
Class	Frequency
75.0–79.9
 Answer
 
80.0–84.9
 Answer
 
85.0–89.9
 Answer
 
90.0–94.9
 Answer
 
95.0–99.9
 Answer
 

The completed frequency table for the grades of students in geometry is:

| Class       | Frequency |
|-------------|-----------|
| 75.0–79.9   | 5         |
| 80.0–84.9   | 6         |
| 85.0–89.9   | 0         |
| 90.0–94.9   | 5         |
| 95.0–99.9   | 2         |

Would you like more details on this, or do you have any questions?

Here are five related questions:
1. How can cumulative frequency be calculated for this data?
2. What is the total number of students who scored below 85?
3. Can a histogram be constructed from this frequency table?
4. How would the mean grade be calculated from this data set?
5. How is the relative frequency calculated for each class?

**Tip**: To better understand the distribution, consider constructing a histogram or frequency polygon from the table.

The following data describes grades of students in geometry. Complete the frequency table for this data.

77.5,83.7,98.5,83.3,77.1,93.4,99.7,94.5,80.1,81.1,78.2,91.1,76.2,91.5,82.2,79.3,92.1,83.4

Determine the frequency of each class in the table shown.

Complete the frequency table for student grades in geometry. Analyze a data set of grades (77.5, 83.7, 98.5, 83.3, etc.) by determining the frequency distribution in ranges like 75.0–79.9, 80.0–84.9, and more. Suitable for students in Grades 7-9.

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