Given the mean of the upper and the lower class boundaries, that is, 10.5 and 20.5 respectively. Obtain the class mark? _______
64.5
—>> 15.5
24.5
20.5
Tutors, Past Questions and Projects.
Given the mean of the upper and the lower class boundaries, that is, 10.5 and 20.5 respectively. Obtain the class mark? _______
64.5
—>> 15.5
24.5
20.5