UpStudy Free Solution:

To determine the class width of the given table, we need to look at the range of each class interval.

The class width is calculated as the difference between the lower boundary of one class interval and the lower boundary of the next class interval. Alternatively, it can be calculated as the difference between the upper boundary and the lower boundary of any given class interval plus 1 (since the intervals are inclusive).

Let's use the first class interval as an example:

- The first class interval is 26-28.

- The lower boundary of this interval is 26, and the upper boundary is 28.

The class width can be calculated as:

\[\text { Class Width} = 28 - 26 + 1 = 3\]

Therefore, the class width of the given table is 3.

Supplemental Knowledge:

In statistics, the class width is a crucial concept when dealing with frequency distributions. It represents the difference between the upper and lower boundaries of any class interval. To find the class width, you can use the following steps:

1. Identify the lower limit of one class interval.

2. Identify the upper limit of the same or another class interval.

3. Subtract the lower limit from the upper limit.

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