tolong nah kerjain nomor 25 menggunakan cara nya ?

data =
25,21,28,24,25,27,x,22,23,21 ➡ 216+x
n(data) = 10
mean = 24
x ?

[tex] \frac{216 + x}{10} = 24 \\ 216 + x = 24 \times 10 \\ 216 + x = 240 \\ x = 240 - 216 \\ x = 24[/tex]
jadi x = 24➡C

semoga membantu