Home
Class 12
MATHS
If mean deviation is 12 and standard dev...

If mean deviation is 12 and standard deviation is 5 K, then K is -

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Topper's Solved these Questions

  • MEASURES OF DISPERSION

    CHHAYA PUBLICATION|Exercise Sample question for competitive exams (B Matrix match type)|2 Videos

  • MEASURES OF DISPERSION

    CHHAYA PUBLICATION|Exercise Sample question for competitive exams (C. Comprehension type)|5 Videos

  • MEASURES OF DISPERSION

    CHHAYA PUBLICATION|Exercise Exercise 3 (Long answer type questions)|22 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

If the probability of success of a binomial distribution is 1/4 and the standard deviation is 3, then the value of its mean is-

If the probability of success of a binomial distrubiton is 1/4 and the standard deviation is 3, then the value of its mean is

If the mean of 100 observations is 50 and their standard deviations is 5,than the sum of all squares of all the observations is

Write down two cases when mean deviation about mean and standard deviations are equal.

Let 1 x_(1),x_(2)….x_(n) be n obervations .Let w_(i)=lx_(i) +k " for " i=1,2….n, where l and k are constants. If the mean of x_(i) is 48 and their standard deviation is 12 the mean of w_(i) 's is 55 and standard deviation of w_(i) is 15 then the value of l and k should be

Let a, b, c, d, e, be the observations with mean m and standard deviation s. The standard deviation of the observations a+k, b+k, c+k, d+k, e+k is

Find the standard Deviation of 6 and 8.

The mean deviation from median is

Let x_(1), x_(2), x_(3), x_(4),x_(5) be the observations with mean m and standard deviation s. The standard deviation of the observations kx_(1), kx_(2), kx_(3), kx_(4), kx_(5) is

For a given distribution of marks, the mean is 35.16 and its standard deviation is 19.76. The coefficient of variation is