Q. 13.7( 14 Votes )

Following are the marks of 10 students in mathematics, 52, 75, 40, 70, 43, 40, 65, 35, 48, 52. Calculate the mean marks.

Answer :

We know that,


Where, = Mean, xi = observations and n = no. of observations.




= 51


mean marks = 51


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Quiz | Criterion of Similarity of TriangleQuiz | Criterion of Similarity of TriangleQuiz | Criterion of Similarity of Triangle45 mins
Master Arithmetic ProgressionMaster Arithmetic ProgressionMaster Arithmetic Progression36 mins
Quiz on  Number of Solutions of an EquationQuiz on  Number of Solutions of an EquationQuiz on Number of Solutions of an Equation24 mins
Nature of Roots of Quadratic EquationsNature of Roots of Quadratic EquationsNature of Roots of Quadratic Equations51 mins
Applications of Newton's Third Law of MotionApplications of Newton's Third Law of MotionApplications of Newton's Third Law of Motion49 mins
Basics of Similarity of TrianglesBasics of Similarity of TrianglesBasics of Similarity of Triangles39 mins
Importance of Competitive ExamsImportance of Competitive ExamsImportance of Competitive Exams46 mins
Smart Revision | Identify Me...Smart Revision | Identify Me...Smart Revision | Identify Me...45 mins
NCERT | Discussion on Reflection of LightNCERT | Discussion on Reflection of LightNCERT | Discussion on Reflection of Light39 mins
Rivers of IndiaRivers of IndiaRivers of India30 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
RELATED QUESTIONS :