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Data Processing

Question
CBSEENGE12024834
Wired Faculty App

With the help of data given calculate Standard Deviation.

15, 18, 20, 12, 10, 9, 11.

Answer
Long Answer

Calculation of Standard Deviation:

Values

X –

d2

X

= d12

 

15

3

9

18

6

36

20

8

64

12

0

0

10

-2

4

9

-3

9

11

-1

1

N = 7

Σd = 11

Σd2 = 123

Apply the formula = Standard Deviation or

After putting the values

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Some More Questions From Data Processing Chapter

What are the advantages of using mode?

What is dispersion?

Define Correlation.

What is perfect correlation?

What is the maximum extent of correlation?

What is perfect correlation ?

Explain relative position of mean, median and mode in a normal distribution and skewed distribution with the help of diagram.

Comment on the applicability of mean, median and mode.


Explain the process of computing Standard Deviation with the help of an imaginary example.

Which measures of dispersion is the most unstable statistic and why?

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