Frequency of Class 60-70
In the frequency distribution of marks of 100 students, how many students scored in the class 60–70?
- 21
- 23
- 6
- 19 — Correct Answer
Explanation:
Correct Answer Explanation
The class 60–70 has a frequency of 19 students.
Full Frequency Table (Quick Recall):
- 0–10: 1 | 10–20: 8 | 20–30: 6 | 30–40: 7
- 40–50: 21 | 50–60: 23 | 60–70: 19 | 70–80: 6
- 80–90: 5 | 90–100: 4
- Total: 100
63% of students scored between 40 and 70 marks.
📚 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.
