Published by:
CGP EDU Academic Team
Published on: August 11, 2026
Let 
. Let the mean and the variance of 6 observations 
, a, b be 2 and 23, respectively. The mean deviation about the mean of these 6 observations is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
and 
solving we get 
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
PART- I PHYSICS
SECTION- A
An electron is projected with uniform velocity along the axis inside a c…
The electric field in an electromagnetic wave is given by . The magnetic field induction of this w…
Which of the following nuclear fragments corresponding to nuclear fission between neutron and uran…
In an experiment to measure focal length (f) of convex lens, the least counts of the measuring scal…
Given below are two statements:
Statement I: When speed of liquid is zero everywhere, pressure diff…
The resistances of the platinum wire of a platinum resistance thermometer at the ice point and stea…