Asked by: Eder Riker
asked in category: General Last Updated: 1st May, 2020

What is the definition of class mark?

The class midpoint (or class mark) is a specific point in the center of the bins (categories) in a frequency distribution table; It's also the center of a bar in a histogram. It is defined as the average of the upper and lower class limits.

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Also question is, what do you mean by class mark?

Class Mark. The average of the values of the class limits for a given class. A class mark is also called a midvalue or central value (Kenney and Keeping 1962, p. 14), and is commonly denoted . SEE ALSO: Class Interval, Class Limits.

Beside above, what is class mark and class size? Class size: Difference between the true upper limit and true lower limit of a class interval is called the class size. Class size remains the same for all class intervals. For the class interval 10 - 20. Class size is 10, i.e., (20 - 10 = 10) Class mark: Mid-value of each class interval is called its class mark.

In this regard, what is class mark with example?

The class mark of a class interval = Actual lower limit + Actual Upper Limit2. = Sum of Class Boundaries2. For Example: The class mark of the overlapping class interval 10 – 20. = 10+202.

What is class boundary?

Class boundary is the midpoint of the upper class limit of one class and the lower class limit of the subsequent class. Each class thus has an upper and a lower class boundary.

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