What is the class mark of the class interval 40.5 - 50.5?
The class - mark of class interval 10-15 is _____________
Class-mark of the class-interval 35 - 55 is
The class mark of class interval 25-30 is ______
Draw a histogram from the given data of a class students.
Weight(kg)Number of students35.5−40.5440.5−45.51545.5−50.51250.5−55.51355.5−60.56 [4 MARKS]