Practice 10 statistics-and-data-handling-l2 multiple-choice questions with detailed answers and explanations. Ideal for RAS/RPSC exam preparation.
Q1. Which item is part of the RBSE syllabus line for this topic?
Explanation
Tally marks are explicitly inside the verified RBSE syllabus excerpt, along with frequency distribution tables and graphs. The other options are higher-level statistics items outside this note.
Q2. Match the tool with the best use: 1. Mean 2. Mode 3. Histogram. Which pairing is correct?
Explanation
Mean is the fair-share average, mode is the most common value, and a histogram represents grouped numerical intervals. The item checks whether the learner keeps summaries and graphs separate.
Q3. A learner draws a neat bar graph but leaves out the scale on the vertical axis. What is the best teacher response?
Explanation
The teacher should keep the correct graph choice but repair the missing scale. Asha-type mistakes need prompts about one unit, axis labels and frequency reading, not punishment.
Q4. Farida wants to show parts of one complete class preference survey. Which representation can show parts of a whole?
Explanation
A circular graph is appropriate when the categories together form one whole. Farida must first ensure the survey categories exhaust the class responses, then convert them into sectors.
Q5. Assertion: A class survey of 20 students should not be used to claim that all Rajasthan students prefer the same sport. Reason: A conclusion must match the data source and sample size.
Explanation
The assertion and reason are both true. The class survey tells us about those 20 learners only; extending it to all Rajasthan students ignores source, sample size and survey boundary.
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Q6. Meena has marks 4, 5, 5, 6 and 30. Which statements are correct? I. Mean is pulled upward by 30. II. Median is 5. III. Mode is 30.
Q7. Karan reads a pie chart and says the largest sector must be a majority. What should the teacher ask him to check?
Q8. Asha records 7 walking, 6 bicycle, 5 bus and 2 auto responses. Which representation is most suitable first?
Q9. Imran measures plant heights grouped as 100-109, 110-119 and 120-129 cm. Which graph best matches this grouped numerical data?
Q10. Which statement best shows honest interpretation of classroom data?
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