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What is the standard deviation of the following data set?
{14, 26, 40,52}
Your answer:
N
11.12
13.78
15.6
14.32

Sagot :

Tonbidn

Answer:

D. 14.32

Step-by-step explanation:

The formula for standard deviation is:

[tex]SD = \sqrt{\frac{\sum | x-\mu|^2}{N}}[/tex]

The mean μ is 33.

The (x minus μ) squared are 361, 49, 49, 361 respectively.

So that the SD = [tex]\sqrt{\frac{820}{4}} \approx 14.31782...[/tex]

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