Q. 34.3( 6 Votes )

# The following are the marks scored in a unit test (out of 25). Prepare a frequency distribution table, taking the class intervals as 0-4,5-9, 10-14, 15-19, 20-24:21,14,3,7,23,18,24,16,18,17,20,10,17,18,21,23,19,12,14,9,16,1 8,12,14,11.From the table (i) find the mid-points of each class interval (ii) find the class interval having a maximum frequency (iii) find the range of the scores.

(i) Mid-points of 0-4, 5-9, 10-14, 15-19, 20-24 are 2, 7, 12, 17, 22 respectively.

(ii) Here maximum frequency is 12 which is corresponding to the 15-19 class interval.

(iii) Range = Highest data value-lowest data value

Range = 24-3 = 21

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses