The graph below describes average houses prices in Sometown in 2005

The graph compares the houses average cost in Sometown in the second half of the year 2005. It can be clearly seen that the price of both sold and unsold residences fluctuated over the period.

According to the first line on the graph, at the first month of the period, the price of unsold houses stood at $335,000. This number had decreased rapidly in the next two months, 328 and 320 thousand dollars, respectively. However, on October, a significant raise was recorded which was exactly 330,000 dollars, and followed by a considerable quick fall, 325 thousand of dollars on November whereas 320 thousand of dollars on December.

In contrast, sold houses price started with 300,000 dollars and followed by a slight increase. On September, the cost of sold residences reduced markedly to $290,000, and then it leveled out till October. The price recorded an essential growth until the end of the period when the line stood nearly of $310,000.

To sum up, it is obvious that when the price of on the market houses went down, the value of sold houses was growing up and vise versa, except the ninth month of the year were both price dropped.