Answer: Median = 3, Mean = 6.45, Mode = 1.
Step-by-step explanation:
Since we have given that
15,3, 11, 15,1,14,7,2,1,1,2
As we know the formula for "Mean" :

Mean = 6.45
Similarly, we know the formula for "Median":
First we write it in ascending order:
1,1,1,2,2,3,7,11,14,15,15
![Me=(\frac{n+1}{2})^{th}\\Me=\frac{11+1}{2}^{th]\\Me=\frac{12}{2}^{th]\\Me=6^{th}\\Me=3](https://tex.z-dn.net/?f=Me%3D%28%5Cfrac%7Bn%2B1%7D%7B2%7D%29%5E%7Bth%7D%5C%5CMe%3D%5Cfrac%7B11%2B1%7D%7B2%7D%5E%7Bth%5D%5C%5CMe%3D%5Cfrac%7B12%7D%7B2%7D%5E%7Bth%5D%5C%5CMe%3D6%5E%7Bth%7D%5C%5CMe%3D3)
Median = 3
Mode is the number which has occurred mostly, has the highest frequency.
Mode = 1
Hence, Median = 3, Mean = 6.45, Mode = 1.