Statistics
Jharkhand Board · Class 10 · Mathematics
Practice quiz for Statistics — Jharkhand Board Class 10 Mathematics. MCQs and questions with answers to test your preparation.
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What does the Greek letter Σ (sigma) represent in statistical calculations?
In grouped data, what is the mean calculated by?
What is the median in a dataset with an even number of observations?
What does cumulative frequency represent?
Sample Questions
Which measure of central tendency represents the most frequently occurring value?
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Mode
Mode is the value that appears most frequently in a dataset.
In grouped data, the median class is determined by which criterion?
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Cumulative frequency nearest to n/2
The median class is the interval whose cumulative frequency is closest to half the total number of observations.
What does the formula x = fixifi represent?
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Mean calculation for grouped data
This formula calculates the mean by summing the product of frequencies and values, then dividing by total frequency.
What does an ogive represent in statistics?
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Cumulative frequency curve
An ogive is a graphical representation of cumulative frequency distribution.
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