Math, asked by ajaynehu143, 7 months ago

Compute standard deviation for the following data:
1.2.3.4.5,6,7​

Answers

Answered by kavithks
0

Answer:

Given observation is  

1,2,3,4,6,7

Mean=  

7

1+2+3+4+5+6+7

​  

=  

7

28

​  

=4

Variance=∑  

+r=1

n

​  

 

n

(x−x  

i

​  

)  

2

 

​  

=  

7

(1−4)  

2

+(2−4)  

2

+(3−4)  

2

+(4−4)  

2

+(5−4)  

2

+(6−4)  

2

+(7−4)  

2

 

​  

 

=  

7

3  

2

+2  

2

+1  

2

+0+1  

2

+2  

2

+3  

2

 

​  

 

=  

7

9+4+1+1+4+9

​  

=  

7

28

​  

=4

standard deviation=  

variance

​  

 

4

​  

=2

Step-by-step explanation:

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