Respuesta :
Answer:
x = 12
Step-by-step explanation:
There are 8 data in total.
The mean is 15, so that
[tex] \frac{23 + 15 + 8 + x + 26 + 5 + 22 + 9}{8} = 15 \\ \frac{108 + x}{8} = 15 \\ 108 + x = 120 \\ x = 12[/tex]
Answer:
x = 12
Step-by-step explanation:
There are 8 data in total.
The mean is 15, so that
[tex] \frac{23 + 15 + 8 + x + 26 + 5 + 22 + 9}{8} = 15 \\ \frac{108 + x}{8} = 15 \\ 108 + x = 120 \\ x = 12[/tex]