Home
Class 11
MATHS
The mean of 5 observations is 4.4 and th...

The mean of 5 observations is 4.4 and their variance is 8.24 . If three of the observations are 1,2 and 6, find the other two observations.

Text Solution

Verified by Experts

The correct Answer is:
4 and 9
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    NCERT GUJARATI|Exercise EXERCISE 15.1|12 Videos

  • STATISTICS

    NCERT GUJARATI|Exercise EXERCISE 15.2|10 Videos

  • SETS

    NCERT GUJARATI|Exercise MISCELLANEOUS EXERCISE ON CHAPTER 1|22 Videos

  • STRAIGHT LINES

    NCERT GUJARATI|Exercise Miscellaneous Exercise on Chapter 10|24 Videos

Similar Questions

Explore conceptually related problems

Mean and varience of 5 observations are 4.4 and 8.24 respectively . If three observations are 4,9 and 6, then find remaining observations.

The mean and variance of eight observation are 9 and 9.25, respectively. If six of the observation are 6,7,10,12,12 and 13, find the remaining two observations.

The mean and variance of 7 observation are 8 and 16, respectively. If five of the observation are 2,4,10,12,14 . Find the remaining two observations.

The variance of observations 3,4,5,8 is

The mean of 10 observations is 28. If 2 is added to each observation and then each result is divided by 3, find the mean of new observations so obtained.

The mean of 100 observations is 50 and their standard deviation is 5. The sum of all squares of all the observations is ………….

Find the median of the observations 13, 9, 15, 8, 6, 3.

The mean of n observations is bar(x) . If the first observation is increased by 1, the second by 2 and so on, the new mean is . . . .

The variance of 20 observations is 5. if each observation is multiplied by 2, find the new variance of the resulting observations.