Cinderella27 Cinderella27

04-02-2020
Mathematics

contestada

Which of the following choices is the standard deviation of the sample shown
here?
19, 20, 21, 22, 23

Respuesta :

04-02-2020

Answer:

Mean = (19 + 20 + 21 + 22 + 23)/5 = 105/5 = 21

x x - mean (x - mean)^2

19 -2 4

20 -1 1

21 0 0

22 1 1

23 2 4

Sum = 10

Step-by-step explanation:

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