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Mathematics
For a frequency distribution 7th decile is computed by the formula
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Q. For a frequency distribution 7th decile is computed by the formula
Statistics
A
$D_{7} = l+ \left(\frac{\frac{n}{7} -C}{f}\right) \times c $
17%
B
$D_{7} = l+ \left(\frac{\frac{n}{10} -C}{f}\right) \times c $
32%
C
$D_{7} = l+ \left(\frac{\frac{7}{10} n -C}{f}\right) \times c $
37%
D
$D_{7} = l+ \left(\frac{\frac{10}{7} n -C}{f}\right) \times c $
14%
Solution:
7th decile= $D_{7} = l+ \left(\frac{\frac{7}{10} n -C}{f}\right) \times c $