Is the number of total rooms in the house associated with the price of a house? The scatterplot of a random sample of homes for sale is shown to the right. a) Is there an association? b) Check the assumptions and conditions for correlation.

Homes for Sale 0510152001234567RoomsPrice($100,000) A scatterplot labeled Homes for Sale has a horizontal axis labeled Rooms from 0 to 20 in increments of 1 and a vertical axis labeled Price in hundreds of thousands of dollars from 0 to 7 in increments of 1. A series of plotted points loosely forms a curve that rises left to right at an increasing rate and with increasing spread. The curve passes through the points (5, 0.5), (10, 1.5), and (15, 5). The point at (19, 1.5) is located further from the curve than any other point. All values are approximate.

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Part 1

a) Is there an association?

A.

Strong negative association

B.

Positive association

C.

Weak negative association

D.

No association