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The mean of 4 numbers is 19. What would the new mean be if the number 30 is added to the data set?
A.
49
B.
21.2
C.
26.5
D.
17.2

Respuesta :

tasnime88

Answer:

B 21.2

Step-by-step explanation:

Im not sure at all tho. But I hope this helps :/

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