The histogram to the right represents the weights​ (in pounds) of members of a certain​ high-school programming team.
What is the class​ width? What are the approximate lower and upper class limits of the first​ class?

To determine the class width and the lower and upper class limits of the first class from a histogram, you can follow these steps:

### 1. Class Width:
The class width is the difference between the lower limits (or upper limits) of two consecutive classes.

\[
\text{Class Width} = \text{Upper Limit of a Class} - \text{Upper Limit of the Previous Class}
\]

Alternatively, if the lower limits are easier to read from the histogram:

\[
\text{Class Width} = \text{Lower Limit of a Class} - \text{Lower Limit of the Previous Class}
\]

### 2. Lower and Upper Class Limits of the First Class:
- The **lower class limit** of the first class is the smallest weight value that falls into the first class.
- The **upper class limit** of the first class is the largest weight value that still falls into the first class.

Without seeing the histogram, you would need to identify these values directly from the provided histogram's axis or bars.

### Example:
Suppose the histogram shows:
- The first class starts at 100 pounds and ends at 109 pounds.
- The next class starts at 110 pounds.

From this example:
- The class width would be \(110 - 100 = 10\) pounds.
- The lower class limit of the first class is 100 pounds.
- The upper class limit of the first class is 109 pounds.

Could you provide details or a description of the histogram for more precise values?

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Would you like further details or explanations? Here are some related questions you might explore:

1. How do you determine the number of classes in a histogram?
2. What does the height of each bar in a histogram represent?
3. How can you calculate the mean weight from the histogram data?
4. What is the importance of choosing appropriate class widths in a histogram?
5. How do you interpret skewness in a histogram?

**Tip:** To avoid misleading results, ensure that the class intervals in histograms are consistent throughout.

The histogram to the right represents the weights (in pounds) of members of a certain high-school programming team. What is the class width? What are the approximate lower and upper class limits of the first class?

Learn how to find the class width and the approximate lower and upper class limits of the first class in a histogram representing the weights of high-school programming team members. This problem covers key concepts in statistics and data analysis, suitable for students in Grades 9-12.

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