The following table gives the weekly expenditure of 200 families. Find the median
of the weekly expenditure.
zz.PNG

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

Weekly expenditureNumber of families (f)Cumulative frequency
(x)
0 - 10002426
1000 - 200044
2000 - 300056126
3000 - 400038164
4000 - 500036
 N =  


Median Class = 2000-3000

N2 = 100, l = 2000
m = 70, c = 1000, f =

Median = l+N2-mf×c=2000+100-7056×1000

Median =