In a histogram the class intervals or the groups are taken along

In a histogram, the class intervals or groups are taken along the x-axis (horizontal axis), while the frequencies or counts are represented along the y-axis (vertical axis). Here are the steps to create a histogram:

1. Collect Data: Gather the data that you want to represent.

2. Create Classes: Divide the data into classes or groups. These could be ranges of values. For example, if you're creating a histogram of ages, your classes might be 0-10, 11-20, 21-30, etc.

3. Count Frequencies: Count how many data points fall into each class. This is the frequency of each class.

4. Draw Axes: Draw a horizontal and a vertical axis on your graph. The horizontal axis will represent the classes and the vertical axis will represent the frequencies.

5. Label Axes: Label the x-axis with the class intervals and the y-axis with the frequencies.

6. Draw Bars: For each class, draw a bar that reaches up to the frequency of that class. The width of the bar represents the class interval, and the height represents the frequency.

7. Interpret: Use the histogram to interpret the data. The height of the bars indicates how many data points fall into each class, which can give you a sense of the distribution of the data.