. Correct answer , D. 1080 square feet
Explanation:
Here we have , the line plot which shows the area in given image , in square feet, of each studio in an art center. We need to find what is the mean area of the studios in the art center . Let's find out:
We know that

According to question , we need to find mean of this data plot :
⇒

⇒

⇒

⇒

Therefore ,
. Correct answer , D. 1080 square feet