Description
PSY-520 Graduate Statistics
Topic 3 – Benchmark – Correlation and Regression Project
Directions: Use the following information to complete the questions below.
Use the following data points that have a linear relationship:
Substance Abuse and Suicide: Percent of the Total U.S. Population | ||
X VARIABLE | Y VARIABLE | |
Year | Substance Use | Suicides |
1999 | 6.82 | 0.000105 |
2000 | 6.78 | 0.000104 |
2001 | 7.00 | 0.000107 |
2002 | 7.12 | 0.00011 |
2003 | 7.09 | 0.000108 |
2004 | 7.05 | 0.00011 |
2005 | 7.17 | 0.000109 |
2006 | 7.24 | 0.00011 |
2007 | 7.28 | 0.000113 |
2008 | 7.36 | 0.000116 |
2009 | 7.80 | 0.000118 |
2010 | 7.81 | 0.000121 |
2011 | 7.88 | 0.000123 |
2012 | 7.87 | 0.000125 |
2013 | 8.07 | 0.000126 |
2014 | 8.12 | 0.00013 |
2015 | 8.06 | 0.000133 |
2016 | 8.17 | 0.000134 |
2017 | 8.18 | 0.00014 |
2018 | 8.23 | 0.000142 |
- Run a bivariate correlation on Substance Use and Suicides. Report the Pearson correlation coefficient.
- Find a linear model of the relationship between the X and Y variables and report the regression line.
- Provide an output of the SPSS results and interpret the results using correct APA style.
- In 300-500 words, address the following: Identify the predictor variable and the criterion variable. Describe the relationship between Substance Use and Suicides in terms of strength (weak/strong) and direction (positive/negative). Discuss whether you can make cause and effect statements when you get a significant correlation.
Unformatted Attachment Preview
PSY-520 Graduate Statistics
Topic 3 – Benchmark – Correlation and Regression Project
Directions: Use the following information to complete the questions below.
Use the following data points that have a linear relationship:
Substance Abuse and Suicide: Percent of the
Total U.S. Population
Year
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
X VARIABLE
Substance Use
6.82
6.78
7.00
7.12
7.09
7.05
7.17
7.24
7.28
7.36
7.80
7.81
7.88
7.87
8.07
8.12
8.06
8.17
8.18
8.23
Y VARIABLE
Suicides
0.000105
0.000104
0.000107
0.00011
0.000108
0.00011
0.000109
0.00011
0.000113
0.000116
0.000118
0.000121
0.000123
0.000125
0.000126
0.00013
0.000133
0.000134
0.00014
0.000142
1. Run a bivariate correlation on Substance Use and Suicides. Report the Pearson
correlation coefficient.
2. Find a linear model of the relationship between the X and Y variables and report the
regression line.
3. Provide an output of the SPSS results and interpret the results using correct APA style.
4. In 300-500 words, address the following: Identify the predictor variable and the criterion
variable. Describe the relationship between Substance Use and Suicides in terms of
strength (weak/strong) and direction (positive/negative). Discuss whether you can make
cause and effect statements when you get a significant correlation.
© 2021. Grand Canyon University. All Rights Reserved.
© 2021. Grand Canyon University. All Rights Reserved.
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Explanation & Answer
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Bivariate Analysis
Name
Institution
Bivariate Analysis
The data pr...
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