The scatterplot in Figure 8.1 shows the data from Mehl et al.’s (2010) research. The two quantitative variables are percentage of deep talk and z score on a well-being scale. By looking at the scatterplot, decide if the correlation is positive, negative, or zero

The scatterplot in Figure 8.1 shows the data from Mehl et al.’s (2010) research. The two quantitative variables are percentage of deep talk and z score on a well-being scale. By looking at the scatterplot, decide if the correlation is positive, negative, or zero

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 20PFA

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Question

PLEASE HELP !
The scatterplot in Figure 8.1 shows the data from Mehl et al.’s (2010) research. The two quantitative variables are percentage of deep talk and z score on a well-being scale. By looking at the scatterplot, decide if the correlation is positive, negative, or zero?

Group of answer choices

Positive

Negative

Zero
none of the above

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This dot represents one person who
scored very high on the well-being scale
and had a high percentage of deep ta
100
90
80
70
60
ercentage
50
-f deep talk
40
30
20
10
-2.0 -1.5 -1.0 -0.5 Ro 0.5 1.0
Well-being scale (z scores)
1.5
IGURE 8.1
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Send To
Insert

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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