Statistics — Practice Quiz
CBSE · Class 11 · Mathematics
Try a 4-question quiz on Statistics for CBSE Class 11 Mathematics: tap an answer to check it and see why. 161 questions in the full chapter test.
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Quick Quiz: Statistics
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What is the primary purpose of calculating measures of central tendency?
What is the range in statistics?
What does standard deviation measure?
What is variance in statistics?
Sample Questions
Which measure of central tendency is least affected by extreme values?
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Median
Median is the middle value when data is arranged in order, making it less sensitive to extreme high or low values compared to the mean.
What is the formula for calculating mean?
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Sum of values divided by number of observations
Mean is calculated by adding all values in a dataset and dividing by the total number of observations.
What problem does standard deviation solve that range cannot?
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Providing detailed information about data spread
While range only shows the difference between maximum and minimum values, standard deviation provides a more nuanced view of how data points are distributed around the mean.
What is the purpose of calculating mean deviation?
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To measure the average distance of data points from a central value
Mean deviation helps understand how far, on average, data points are from a central tendency measure like mean or median.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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