Q. 64.4( 7 Votes )

The mid-value of a class interval is 42. If the class size is 10, then the upper and lower limits of the class are:
A. 47 and 37

B. 37 and 47

C. 37.5 and 47.5

D. 47.5 and 37.5

Answer :

Let the upper limit and lower limit of the class be x, y


Then = 42


Or x + y = 84


x - y = 10


Solving equations x = 47, y = 37

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Quiz | Graphical Representation of MotionQuiz | Graphical Representation of MotionQuiz | Graphical Representation of Motion35 mins
MCQs on Graphical Representation of MotionMCQs on Graphical Representation of MotionMCQs on Graphical Representation of Motion28 mins
What an Atom holds?What an Atom holds?What an Atom holds?41 mins
Types of Present TenseTypes of Present TenseTypes of Present Tense55 mins
Applications of Laws of MotionApplications of Laws of MotionApplications of Laws of Motion34 mins
Building blocks of brainBuilding blocks of brainBuilding blocks of brain27 mins
Quiz | Conservation of MomentumQuiz | Conservation of MomentumQuiz | Conservation of Momentum33 mins
Genius Quiz | Laws of MotionGenius Quiz | Laws of MotionGenius Quiz | Laws of Motion38 mins
Recently facts of 5th state of Matter: Bose Einstein CondensateRecently facts of 5th state of Matter: Bose Einstein CondensateRecently facts of 5th state of Matter: Bose Einstein Condensate52 mins
Applications of Newton's First Law of MotionApplications of Newton's First Law of MotionApplications of Newton's First Law of Motion53 mins
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
caricature
view all courses