The median of the following data is 24. Find the value of x. 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!

Class Interval (CI) Frequency (f) Cumulative frequency
(cf)
0-1066
10-202430
20-30x30+x
30-409
40-501655 +x
 N =  


Since the median is 24 and median class is 20 - 30

l=20, N = 55 + x, m = 30, c = 10, f= x

Median = l + N-mf×c

4x = 5x-25

x=