[tex]mean = \frac{4 + y + 9 + 5 + 2 + 7}{6} \\ \\ 5 = \frac{27 + y}{6} \\ \\ 30 = 27 + y \\ y = 30 – 27 \\ y = 3[/tex] Reply
[tex]mean = \frac{4 + y + 9 + 5 + 2 + 7}{6} \\ \\ 5 = \frac{27 + y}{6} \\ \\ 30 = 27 + y \\ y = 30 – 27 \\ y = 3[/tex]