Adjusted Class Interval Calculation
In the frequency distribution of incomes of 550 employees, after applying the adjustment of 0.5, what does class 800–899 become?
- 800.5–899.5
- 799–900
- 799.5–899.5 — Correct Answer
- 799.5–900.5
Explanation:
Correct Answer Explanation
After adjustment: class 800–899 becomes 799.5–899.5 (subtract 0.5 from lower limit, add 0.5 to upper limit).
Adjusted Frequency Table (Income of 550 Employees):
- 800–899 → 799.5–899.5 (50 employees)
- 900–999 → 899.5–999.5 (100 employees)
- 1000–1099 → 999.5–1099.5 (200 employees)
- 1100–1199 → 1099.5–1199.5 (150 employees)
- 1200–1299 → 1199.5–1299.5 (40 employees)
- 1300–1399 → 1299.5–1399.5 (10 employees)
📚 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.
