CBSE /Class 10
Maths MCQ Based On Median of grouped data
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CBSE Class 10 Maths Median of grouped data
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For grouped data:
Median =\\(l+\\left ( \\frac{\\frac{n}{2}-cf}{f} \\right )\\times h\\)
Where l = Lower limit of the median class,
f = Frequency of the median class
c = Width of the median class,
N = The total frequency (∑f)
m = cumulative frequency of the class preceding the median class
For grouped data:
Median =\\(l+\\left ( \\frac{\\frac{n}{2}-cf}{f} \\right )\\times h\\)
Where l = Lower limit of the median class,
f = Frequency of the median class
c = Width of the median class,
N = The total frequency (∑f)
m = cumulative frequency of the class preceding the median class
Use \\(median =Â \\frac{n+1}{2} \\)
Use \\(Median =Â l+\\frac{\\frac{N}{2}-F}{f} \\times h\\)
\\(\\textbf{recall the formula of median, when n= even}\\)
Use:
\\(l+\\frac{(\\frac{N}{2}-m)}{f}\\times c\\)
Use:
\\(l+\\frac{(\\frac{N}{2}-m)}{f}\\times c\\)
Find the cumulative frequency
Use:
\\(l+\\frac{(\\frac{N}{2}-m)}{f}\\times c\\)
Use:
\\(l+\\frac{(\\frac{N}{2}-m)}{f}\\times c\\)
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