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// Example:7.2
//Given below is the list of marks obtained by a class of 50 students in an
//annual examination. 43 65 51 27 79 11 56 61 82 09 25 36 07 49 55 63 74 81 49
//37 40 49 16 75 87 91 33 24 58 78 65 56 76 67 45 54 36 63 12 21 73 49 51 19 39
//49 68 93 85 59
//Write a program to count the number of students belonging to each of
// following groups of marks:0-9,10-19,20-29,.......100.
//This program computes for 10 students. We could compute for 50 students by
//changing MAXVAL=50.
MAXVAL=10;COUNTER=11;
disp("Input Data[Marks of 10 students]");
group1=zeros(1,11);
//Reading and counting
for i=1:MAXVAL
//Reading of values
value(i)=input(" ");
//Counting frequency of groups
a=int16((value(i)/10));
if(a==0) then
group1(a+1)=group1(a+1)+1;
else
group1(a+1)=group1(a+1)+1;
end
end
//Printing of frequency table
printf("Group Range Frequency\n");
for i=0:COUNTER-1
if(i==0) ,
low=0;
else
low=i*10;
end
if(i==10),
high=100;
else
high=low+9;
end
printf("%2d %8d to %3d %5d\n",i+1,low,high,group1(i+1));
end
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