Q. A data has highest value 120 and lowest value 71. A frequency distribution in descending order with seven classes is to be constructed. The limits of the second classes-interval shall be
A) 71 and 78
B) 78 and 85
C) 113 and 120
D) 106 and 113
Explanation
The correct answer is Option B: 78 and 85.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.