Q. 113.5( 2 Votes )

Life of bulbs pro

Answer :

For Factory A



Now, N=120,


Mean






Variance = 12097


Standard Deviation


SD = 109.98


Coefficients variation =


Cv=13.61


For Factory B



Now, N=120,


Mean






Variance = 11400


Standard Deviation


SD = 106.77


Coefficients variation =


Cv=14.29


Since, the coefficient of variation of factory B is greater than the coefficient of variation of factory A,


Hence, This means bulbs of factory A are more consistent from the point of view of the length of life.


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
caricature
view all courses
RELATED QUESTIONS :

The sum and the sRS Aggarwal - Mathematics

If x1,RD Sharma - Mathematics

The mean and variRS Aggarwal - Mathematics

If the sum of theRD Sharma - Mathematics

The mean and stanRS Aggarwal - Mathematics

Following are theRD Sharma - Mathematics

The mean and variRS Aggarwal - Mathematics

The following resRS Aggarwal - Mathematics

Coefficient of vaRS Aggarwal - Mathematics

The following resRS Aggarwal - Mathematics