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:

Answer Link

Otras preguntas

Help please with trigonometry hw please
36. Which of the following can you conclude did not frighten people in Detroit at the time of the story? O serious illnesses O people from Kentucky Ounclean liv
Complete the equation of this circle: A 1 [ ]=z([_]_^)+z([ ¿ ] − x) Enter ⚠️NEED HELP ASAP WILL GIVE BRAINLIEST⚠️
NEED HELP ASAP PLEASEEE
Question Complete the square to make a perfect square trinomial. Then, write the result as a binomial squared. m² + 5m.
Which of the following in infants can be prevented by breastfeeding rather than bottle feeding? a. Diaper rash b. Croup c. Thrush d. Reye's syndrome
For all values of x, f(x)=2x^2 and g(x)= x+1 Solve fg(x) = gf(x)
PLEASE SOLVE WILL GIVE BRAINLIEST IF RIGHT
If you give them enough time, they will reveal their secret themselves. Which of the underlined words in the sentence is a possessive case pronoun?
Use log 2=a, log 3=b to evaluate log 216