34)
\The variance of the sequence 
Consider,
\
Find the mean value.
\
Substitute 

Find the variance.
\General form of variance is 
Substitute 

The variance of the data is 
35)
\Step 1:
\The variance of the sequence 
Consider,
\
Find the Mean value.
\
Substitute
\

Find the variance.
\General form of variance is 
Substitute
\

Solution:
\The variance of the data is 
36)
\Step 1:
\The variance of the sequence 
Consider,
\
Find the Mean value.
\
Substitute
\

Find the variance.
\General form of variance is 
Substitute
\

Find the standard deviation.
\General form of the standard deviation is
\
Substitute 

Solution:
\The standard deviation of the data is 