83. Mary, Davies, or Davies' Ceramics, believes the company's sales are dependent on construction of new homes in the area. This is because all her customers discuss the new homes they are building when they purchase material. If Mary could identify the relationship between home construction and company sales, then she may be able to anticipate demand and better serve her customers. New home construction for the past 12 months is listed below, along with sales for each month. Explain any relationship between the two.

HOME CONSTRUCTION	SALES	HOME CONSTRUCTION	SALES
(1) 215	90	(7) 265	104
(2) 225	86	(8) 255	108
(3) 240	86	(9) 245	106
(4) 250	90	(10) 230	102
(5) 260	96	(11) 225	98
(6) 270	100	(12) 215	92