TANCET
Group Studies
Mock Tests
Notes
Library
Join Now
Question Practice
Share
Target (sec):
00:00
Question 1
The mean deviation from the mean of the AP a, a + d, a + 2d, ..., a + 2nd, is:
A.
$\frac{n}{n+1} \, d$
B.
$\frac{n}{2n+1} \, d$
C.
$\frac{n+1}{2n+1} \, d$
D.
$\frac{n(n+1)}{2n+1} \, d$
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