Question

The class width of the class interval 20 - 40 is?

Answer 1

Class width refers to the difference between the upper and lower boundaries of any class (category).

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To find the width:

• Calculate the range of the entire data set by subtracting the lowest point from the highest,
• Divide it by the number of classes.
• Round this number up (usually, to the nearest whole number).

Answer 2

Answer:

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