Given The following data set:
50 60 80
90 50 70
40 50 80
We will find the mean of the data as follows:
![mean=\frac{sum\text{ }of\text{ }the\text{ }data}{number\text{ }of\text{ }the\text{ }data}](https://img.qammunity.org/2023/formulas/mathematics/college/s5jx5zj5egb9l7d72b4ik70o37onhhkxzu.png)
We will find the sum of the data as follows:
![sum=50+60+80+90+50+70+40+50+80=570](https://img.qammunity.org/2023/formulas/mathematics/college/937yqie16i4dvyfm4kl6v5r9a58k3kdxjd.png)
The number of the data = 9
So, the mean will be as follows:
![mean=(570)/(9)=63.333](https://img.qammunity.org/2023/formulas/mathematics/college/24bki7lyad33kkbppxc9d98b2yzax6tl2n.png)
Rounding to the nearest tenth
So, the answer will be The mean = 63.3