The class size of the class interval 60 - 68 is

Options

A. `6`
B. `7`
C. `9`
D. `8`

Answer

To find the class size of the class interval 60 - 68, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Class Interval**: The class interval given is 60 - 68.
- Here, 60 is the lower limit and 68 is the upper limit.

2. **Use the Formula for Class Size**: The formula to calculate the class size is:
\[ \text{Class Size} = \text{Upper Limit} - \text{Lower Limit} \]

3. **Substitute the Values**: Substitute the upper and lower limits into the formula:
\[ \text{Class Size} = 68 - 60 \]

4. **Perform the Subtraction**: Now, calculate the difference:
\[ \text{Class Size} = 8 \]

5. **Conclusion**: The class size of the class interval 60 - 68 is 8. Therefore, the statement "The class size of the class interval 60 - 68 is 8" is **True**.