Cinderella27
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 :

aid24 aid24
  • 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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