Q24 of 805 Page 427

Find the median of the following data:


Total frequency(n) = 30



15 lies in the interval 55-60


so l (lower limit) = 55


cf(Cumulative frequency of the preceding class of median class) = 13


f (frequency of median class) = 6


h (class size) = 5


Median =


Median =


Median = 56.67Kg


More from this chapter

All 805 →
23

Find the mean of the following frequency distribution, using step deviation method:

 23

The mean of the following frequency distribution is 78. Find the value of p.

 25

If two zeroes of the polynomial p(x) = 2x4 + 7x3 - 19x2- 14x + 30 are √2 and - √2 then find the other two zeroes.

 26

Prove that the area of an equilateral triangle described on one side of a square is equal to half the area of an equilateral triangle described on one of its diagonals.