Question

find the mean and standard deviation of the distribution in which the values of x are 1,2,3,.....n, the frequency of each being unity​

Answer 1

Answer:

the following values of X are

1x,2x,3x...............................nx

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Answer 2

Answer:

n+1

__

2

Step-by-step explanation:

1,2,3,......n

first n is natural numbers

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formula

Hear = sum of observations

__________________

total number

= n(n+1)

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2

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n both n will be cut

=n+1

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2