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Data Handling

ICSE · Class 6 · Mathematics

Flashcards for Data Handling — ICSE Class 6 Mathematics. Quick Q&A cards covering key concepts, definitions, and formulas.

53 questions25 flashcards5 concepts

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25 Flashcards
Card 1Mean

What is the mean of 8, 12, 10, 15, and 5?

Answer

Step 1: Add all numbers → 8 + 12 + 10 + 15 + 5 = 50 Step 2: Count the numbers → 5 Step 3: Divide sum by count → 50 ÷ 5 = 10 Answer: Mean = 10…

Card 2Median

Find the median of: 3, 7, 9, 4, 5, 6, 2

Answer

Step 1: Arrange in ascending order → 2, 3, 4, 5, 6, 7, 9 Step 2: Count numbers → 7 (odd) Step 3: Middle term is the 4th number → 5 Answer: Median = 5…

Card 3Mean

The marks of 10 students are: 45, 38, 42, 40, 48, 50, 44, 46, 41, 39. Find the mean.

Answer

Step 1: Add all marks → 45 + 38 + 42 + 40 + 48 + 50 + 44 + 46 + 41 + 39 = 433 Step 2: Number of students = 10 Step 3: Mean = 433 ÷ 10 = 43.3 Answer: Mean = 43.3…

Card 4Median

Find the median of: 12, 15, 18, 20, 22, 25

Answer

Step 1: Numbers are already in order → 12, 15, 18, 20, 22, 25 Step 2: Count = 6 (even) Step 3: Two middle terms = 3rd and 4th → 18 and 20 Step 4: Average = (18 + 20) ÷ 2 = 38 ÷ 2 = 19 Answer: Median =…

Card 5Mean Formula

When do you use the formula for mean? Apply it to find the average of 20, 25, 30.

Answer

Use the mean formula when you want to find the average of a set of numbers. Formula: Mean = Sum of observations ÷ Number of observations Example: Sum = 20 + 25 + 30 = 75, Count = 3 Mean = 75 ÷ 3 = 25…

Card 6Median Concept

Why is arranging data important before finding the median?

Answer

Because the median is the middle value in an ordered list. If data is not arranged, we cannot correctly identify the middle term(s). For example, in 5, 3, 7 — without ordering, 3 seems middle, but cor…

Card 7Mean

The weekly wages of 6 workers are ₹800, ₹900, ₹850, ₹950, ₹750, ₹800. Find the mean wage.

Answer

Step 1: Sum = 800 + 900 + 850 + 950 + 750 + 800 = ₹5050 Step 2: Number of workers = 6 Step 3: Mean = 5050 ÷ 6 ≈ ₹841.67 Answer: Mean wage ≈ ₹841.67…

Card 8Mean Formula

What is the formula for mean?

Answer

Mean = Sum of all observations ÷ Total number of observations Example: For 4, 6, 8 → Sum = 18, Count = 3 → Mean = 18 ÷ 3 = 6…

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Frequently Asked Questions

What are the important topics in Data Handling for ICSE Class 6 Mathematics?
Data Handling covers several key topics that are frequently asked in ICSE Class 6 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Data Handling — ICSE Class 6 Mathematics?
Understand the core concepts first, then work through the 53 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many flashcards are available for Data Handling?
There are 25 flashcards for Data Handling covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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