Use the given data set to complete parts (a) through (c) below. (Use

alphaequals=0.05.)

x	1010	88	1313	99	1111	1414	66	44	1212	77	55
y	7.467.46	6.776.77	12.7312.73	7.117.11	7.817.81	8.838.83	6.076.07	5.395.39	8.158.15	6.426.42	5.735.73

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Part 1

a. Construct a scatterplot. Choose the correct graph below.

A.

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A scatterplot has a horizontal x-scale from 0 to 16 in increments of 2 and a vertical y-scale from 0 to 10 in increments of 1. Eleven plotted points strictly follow the pattern of a line that passes through the points (4, 6) and (14, 1). All coordinates are approximate.

B.

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A scatterplot has a horizontal x-scale from 0 to 16 in increments of 2 and a vertical y-scale from 0 to 16 in increments of 2. Eleven points are plotted. Ten of the plotted points strictly follow the pattern of a line rising from left to right passing through the points (4, 5.4) and (14, 8.8). A point is plotted at (13, 12.8). All coordinates are approximate.

Your answer is correct.

C.

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A scatterplot has a horizontal x-scale from 0 to 16 in increments of 2 and a vertical y-scale from 0 to 10 in increments of 1. Ten plotted points strictly follow the pattern of a curve that rises from left to right passing through the points (4, 3.2) and (8, 8.2) to a maximum at (11, 9.2) and then falls passing through the point (14, 8.2). All coordinates are approximate.

D.

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A scatterplot has a horizontal x-scale from 0 to 16 in increments of 2 and a vertical y-scale from 0 to 10 in increments of 1. Eleven plotted points strictly follow the pattern of a curve passing through the points (4, 1), (8, 2.4), and (14, 8). All coordinates are approximate.

Part 2

b. Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables.

The linear correlation coefficient is

requals=enter your response here.

(Round to three decimal places as needed.)