Mathematics
The median of the following numbers, arranged in ascending order, is 25. Find x :
11, 13, 15, 19, x + 2, x + 4, 30, 35, 39, 46.
Related Questions
The mean of the following frequency distribution is 62.8. Find the value of p :
Classes Frequency 0 - 20 5 20 - 40 8 40 - 60 p 60 - 80 12 80 - 100 7 100 - 120 8 The daily expenditure of 100 families are given below. Calculate f1 and f2, if the mean daily expenditure is ₹188.
Expenditure (in ₹) No. of families 140 - 160 5 160 - 180 25 180 - 200 f1 200 - 220 f2 220 - 240 5 If the median of 5, 9, 11, 3, 4, x, 8 is 6, find the value of x.
The marks scored by 16 students in a class test are :
3, 6, 8, 13, 15, 5, 21, 23, 17, 10, 9, 1, 20, 21, 18, 12.
Find :
(i) the median
(ii) lower quartile
(iii) upper quartile
(iv) inter quartile range.