CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Variance and Standard Deviation

Give the form...

Question

Give the formula of short-cut method in individual series in standard deviation.

Open in App

Solution

Short-cut method- σ = √[(∑D²/N) – (∑D/N)²]
D is the deviation taken from assumed mean
N is the number of observations.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Find the mean and standard deviation using short-cut method

$X_{i}$	60	61	62	63	64	65	66	67	68
$f_{i}$	2	1	12	29	25	12	10	4	5

Q. Find the mean and standard deviation using short-cut method.x60662 63 64 65 66 67 68f 21 12 29 252 10456.

Q. Find the mean variance and standard deviation using short-cut method

Height in cms	No. of children
70-75	3
75-80	4
80-85	7
85-90	7
90-95	15
95-100	9
100-105	6
105-110	6
110-115	3

Q. standrad deviation short cut method formula proof

Q. Find the Variance and Standard Deviation of the values

4, 4, 4, 4, 4, 4

using short-cut method.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Standard Deviation

STATISTICS

Watch in App

explore_more_icon

Explore more

Variance and Standard Deviation

Standard XI Statistics

Join BYJU'S Learning Program

CrossIcon