The following are the marks scored by the students in the Summative Assessment
exam
zz.PNG Calculate the median.

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!

ClassNumber of studentsCummulative frequency (cf)
0- 1022
10-2079
20-301524
30-401034
40-501145
50-605


N =

Median Class = (N2)th
Value = (50/2)th

value =

Median value =

N2=25 , l =30

m=24, c=10, f=10

Median = l+N2-m2×c
Median =