Term
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Definition
| Each class is described by two values (the smaller value in the class is called lower limit and the upper value in the class is called upper class limit). These values are called class limits. |
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Term
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Definition
| The difference between the upper class boundary and the lower class boundary of the same class(not the difference between of the class limits) is called class interval. |
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Term
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Definition
| The number of observations falling in a class is called class frequency. |
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Term
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Definition
| The midpoint of the lower and upper class boundary or class limit of a class interval is called class mark. |
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Term
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Definition
| The true class limits are known as class boundaries.Remember the upper class boundary of a class coincides with the lower class boundary the next class. |
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