In Exercise, (a) Draw a scatter diagram; (b) Determine the value of r, rounded to the nearest

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In Exercise,

(a) Draw a scatter diagram;

(b) Determine the value of r, rounded to the nearest thousandth;

(c) Determine whether a correlation exists at α = 0.05;

(d) Determine whether a correlation exists at α = 0.01.

x                       y
8 . . . . . . . . .   14
10 . . . . . . . . . 12
13 . . . . . . . . . 10
16 . . . . . . . . . 11
19 . . . . . . . . .  8

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A Survey Of Mathematics With Applications

ISBN: 9780135740460

11th Edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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