The coordinates of the midpoint of $\overline{GH}$ are $M\left(-\frac{13}{2},-6\right)$ and the coordinates of one endpoint are $G\left(-4,\ 1\right)$ .

The coordinates of the other endpoint are

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here