Question

Please melp with with this one as well

Answer 1

Answer:

X= 15

Step-by-step explanation:

$mean = \frac{16 + 20 + 8 + 19 + 26 + 11 + 17 + x}{8} = 16.5 \\ \\ 117 + x = 132 \\ \\ x = 132 - 117 \\ \\ x = 15.$