Deepak Scored 45->99%ile with Bounce Back Crack Course. You can do it too!

If the mean of the data : 7,8,9,7,8,7,

Question:

If the mean of the data : $7,8,9,7,8,7, \lambda, 8$ is 8 , then the variance of this data is :-

  1. 2

  2. $\frac{7}{8}$

  3. $\frac{9}{8}$

  4. 1


Correct Option: , 4

Solution:

Solution not requierd

Leave a comment

None
Free Study Material