Question

Q3. If there are ten values each equal to 10, then standard deviation of these values is:
O 100
O 20
O 10
0 0

Answer 1

Answer:

100 .-. OBVIOUSLY HOPE IT HELPS

Answer 2

The standard deviation is 0. Option D.

Given:

10 values each equal to 10 .

To Find:

Standard deviation of the data.

Solution:

Mean of the data = $\frac{10*10}{10}=10$

Variance =      $\frac{x^{2} }{n}-mean^{2} \\\frac{1000}{10}-100\\ 0$

So, the standard deviation is zero.

Hence, the standard deviation of the data is 0. Option D.

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