To determine the width of each class in the histogram, we need to examine the range of values for each class.

The classes given are:

• 44 - 49
• 50 - 55
• 56 - 61
• 62 - 67

The width of a class is simply the difference between the upper and lower bounds of the class. Let's calculate the width for each of the classes:

1. 44 - 49:
   Upper bound = 49, Lower bound = 44
   Width = 49 - 44 = 5.0

2. 50 - 55:
   Upper bound = 55, Lower bound = 50
   Width = 55 - 50 = 5.0

3. 56 - 61:
   Upper bound = 61, Lower bound = 56
   Width = 61 - 56 = 5.0

4. 62 - 67:
   Upper bound = 67, Lower bound = 62
   Width = 67 - 62 = 5.0

Since each class has the same width of 5, the correct answer is:

5.0

Would you like to see how to create the histogram or have any questions about this?

Related questions:

1. How do you calculate the frequency of each class in a histogram?
2. What is the difference between a histogram and a bar chart?
3. How would you calculate the mean and median from this data set?
4. Why is the class width an important factor in constructing a histogram?
5. How do you choose appropriate class intervals for a histogram?

Tip:

For consistency in histograms, it's important to ensure that all class widths are equal and that the class intervals cover the full range of the data without overlap.