TANCET
Group Studies
Mock Tests
Notes
Library
Join Now
Question Practice
Share
Target (sec):
00:00
Question 1
Share
The mean of 5 observation is 5 and their variance is 12.4. If three of the observations are 1, 2 and 6; then the mean deviation from the mean of the data is:
A.
2.5
B.
2.6
C.
2.8
D.
2.4
Discussion
Join the Conversation
Log in to post comments and replies.
Log In
Open Discussion
❓ Question: Practice this question with detailed solutions and... | TANCET Group Studies | Tancet Group Studies