Introduction to Data Quiz - CBSE Class 4 Mathematics
Free practice quiz: Introduction to Data (CBSE Class 4 Mathematics). 20 multiple-choice questions with answers and explanations. Play online, no sign-up needed.
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What is data?
- Numbers, words, and figures
- Just numbers
- Just words
- Only figures
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Answer: A. Numbers, words, and figures
Data refers to distinct pieces of information, including numbers, words, and figures. It is the raw form of information that can be processed.
What are the main types of data?
- Numeric and alphabetic
- Qualitative and quantitative
- Simple and complex
- Fast and slow
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Answer: B. Qualitative and quantitative
Data can be categorized into two main types: qualitative, which describes qualities, and quantitative, which represents numerical values.
Which statement about data is true?
- Data is always correct
- Data can represent different things
- Data never changes
- Data is not useful
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Answer: B. Data can represent different things
Data can represent various types of information depending on how it is collected and used, making it versatile.
How can data be misleading?
- Sample size too small
- Well-organized
- Clear representation
- Used correctly
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Answer: A. Sample size too small
If the sample size is too small, the data may not accurately represent the larger population, leading to misleading conclusions.
Which of the following can introduce bias in data collection?
- Random sampling
- Personal opinions
- Clear questions
- Neutral responses
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Answer: B. Personal opinions
Personal opinions can skew data as they might influence what is seen or reported, introducing bias.