Answer :
The class mark of the class [tex]\(35.5 - 45.5\) is \(40.5\).[/tex]
To find the class mark of the class [tex]\(35.5 - 45.5\),[/tex]we can calculate the midpoint of the class interval.
The class mark is the average of the lower and upper limits of the class interval.
Lower limit [tex](\(L\)) = 35.5[/tex]
Upper limit [tex](\(U\)) = 45.5[/tex]
To find the class mark M we use the formula:
[tex]\[ M = \frac{{L + U}}{2} \][/tex]
Substitute the values:
[tex]\[ M = \frac{{35.5 + 45.5}}{2} \]\[ M = \frac{{81}}{2} \]\[ M = 40.5 \][/tex]
So, the class mark of the class [tex]\(35.5 - 45.5\) is \(40.5\).[/tex]
Question : Find the class mark of the class 35.5 - 45.5 ?
