Meaning of Class Frequency
The Class Frequency in a frequency distribution means:
- The difference between upper and lower class limits
- The middle value of a class
- The number of values in a particular class — Correct Answer
- The total number of observations in all classes
Explanation:
Correct Answer Explanation
Class Frequency means the number of values in a particular class.
Key Points:
- Example: Class 30–40 in the marks distribution has 7 values → Class Frequency = 7.
- Class frequency is counted using tally marks against each class.
- Sum of all class frequencies = Total number of observations (e.g., 100 students).
- Frequency of a specific observation = how many times that value appears in raw data (e.g., 49 appears 5 times → frequency of 49 = 5).
📚 About this Topic — CH-3: Organisation of Data
This multiple choice question is from CH-3: Organisation of Data, NCERT Books, Statistics for Economics. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from CH-3: Organisation of Data to strengthen your preparation.
