a) Draw a scatter-plot diagram. Remember to name the axes. Cars Salef 20 16 In 8 2 4 6 I ... 8 10 12 14 16 18 20 TV and b) Based on the scatter-plot diagram, would you estimate the correlation coefficient to be positive, close to zero, or negative?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.2: Representing Data
Problem 1AGP
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2) During a 6 weeks period, a Quick Sell dealer kept a weekly record of the number x of TV ads
versus the number y of cars sold. The result is given in the following table:
X
Y
6
14
IA
8
12
8
4
2
10
a) Draw a scatter-plot diagram. Remember to name the axes.
Cars Salef
20
15 12 28
17 18 20
8
L.J.
16 12
16
76.20
Til add
b) Based on the scatter-plot diagram, would you estimate the correlation coefficient to be
positive, close to zero, or negative?
Transcribed Image Text:2) During a 6 weeks period, a Quick Sell dealer kept a weekly record of the number x of TV ads versus the number y of cars sold. The result is given in the following table: X Y 6 14 IA 8 12 8 4 2 10 a) Draw a scatter-plot diagram. Remember to name the axes. Cars Salef 20 15 12 28 17 18 20 8 L.J. 16 12 16 76.20 Til add b) Based on the scatter-plot diagram, would you estimate the correlation coefficient to be positive, close to zero, or negative?
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