Home
Class 10
MATHS
If for a distribution, sum (x-5)=3, sum ...

If for a distribution, `sum (x-5)=3, sum (x-5)^(2)=43` and total number of observations is 18, find the mean and standard deviation.

Text Solution

Verified by Experts

The correct Answer is:
1.53
Promotional Banner

Topper's Solved these Questions

  • STATISTICS AND PROBABILITY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO THINKING CORNER|12 Videos

  • STATISTICS AND PROBABILITY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO PROGRESS CHECK|19 Videos

  • STATISTICS AND PROBABILITY

    PREMIERS PUBLISHERS|Exercise SOLUTION TO EXERCISE 8.5|15 Videos

  • RELATIONS AND FUNCTION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|25 Videos

  • TRIGONOMETRY

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|22 Videos

Similar Questions

Explore conceptually related problems

If for distribution sum(x-7)=3 , sum(x-7)^(2)=57 and total number of item is 20 . Find the mean and standard deviation.

The sum of ( x+ 5 ) observations is ( x^(3) + 125) . Find the mean of the observations.

The mean and standard deviation of six observations are 8 and 4, respectively. If each observation is multiplied by 3, find the new mean and new standard deviation of the resulting observations

The mean and standard deviation of 15 observations are found to be 10 and 5 respectively. On reachecking it was found that one of the observation with value 8 was incorrect. Calculate the correct mean and standard deviation if the correct observation value was 23 ?

Find the binomial distribution whose mean is 10 and standard deviation is 2sqrt(2)