initial commit / add all books

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diff --git a/659/CH7/EX7.2/exm7_2.sce b/659/CH7/EX7.2/exm7_2.sce
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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

diff --git a/659/CH7/EX7.2/exm7_2_output.PNG b/659/CH7/EX7.2/exm7_2_output.PNG
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