Home
Class 12
MATHS
Find the coefficient of variation if the...

Find the coefficient of variation if the sum of squares of the deviations of 10 observations taken from the mean 50 is 250.

Text Solution

Verified by Experts

The correct Answer is:
`=(sigma)/(x)xx100%=(5)/(50)xx100%=10%`
Promotional Banner

Topper's Solved these Questions

  • MEASURES OF DISPERSION

    CHHAYA PUBLICATION|Exercise Exercise 3 (MCQ)|5 Videos

  • MEASURES OF DISPERSION

    CHHAYA PUBLICATION|Exercise Exercise 3 Very Short answer type|26 Videos

  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 C Very short answer type question|18 Videos

  • MEASURMENT OF TRIGONOMETRICAL ANGLES

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams (Assertion -Reason Type)|2 Videos

Similar Questions

Explore conceptually related problems

Find the coefficient of variation of the following data :

Find the coefficient of variation of the following data:

If the sum of squares of the diviations of 10 observations taken from the mean 50 is 250, then the coefficient of variation is-

Sum of the squares of deviation is least about

If the sum of the squares of the deviations of 25 observation taken from the mean 40 is 900, then the coefficient of variation is-

Show that the sum of deviations of a set of observations about their mean is Zero.

The mean deviation from the median is

The mean deviation of the numbers 3,4,5,6,7 from the mean is -

If mean = 10, coefficient of variation = 50%, find the standard deviation.

If the sum of the deviations of 50 observations from 30 is 50, then the mean of these observations is