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Class 6 Organising Data — practice questions with answers

Data Handling · 5 sample questions from the school syllabus. Try each one, then open the answer and the worked solution.

1. The information collected in the form of numbers or facts is called ____.
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Answer: A) Data
Numbers or facts collected for a definite purpose are called data.
2. If the tally for 'mango' is two crossed bundles of five and one single stroke, how many students chose mango?
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Answer: D) 11
Two bundles = 5 + 5 = 10, plus 1 = 11.
3. A grouped frequency uses class intervals like 0-10, 10-20. The number that tells how many values fall in an interval is the interval's ____.
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Answer: A) Frequency
The count of observations falling in a class interval is its frequency.
4. A grouped frequency table of student weights (kg) is:
30-35 -> 5, 35-40 -> 8, 40-45 -> 7, 45-50 -> 4.
How many students weigh less than 40 kg?
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Answer: B) 13
Less than 40 means classes 30-35 and 35-40: 5 + 8 = 13 students.
5. Two frequency tables were combined. Table A: Red 8, Blue 5, Green 7. Table B: Red 4, Blue 9, Green 3.
After merging (adding matching categories), which colour has the highest total frequency, and what is that total?
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Answer: A) Blue with 14
Merged totals: Red = 8 + 4 = 12, Blue = 5 + 9 = 14, Green = 7 + 3 = 10. The highest is Blue with 14.
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