Linear regression

Data

1.17 78.93

2.97 58.20

3.26 67.47

4.69 37.47

5.83 45.65

6.00 32.92

6.41 29.97

Dataset: lsd.datSource: Wagner, Agahajanian, and Bing (1968).

Correlation of PerformanceTest Scores with Tissue Concentration of Lysergic Acid Diethylamide inHuman Subjects.

Clinical Pharmacology and Therapeutics, Vol.9 pp635-638.Description: Group of volunteers was given LSD, and their mean scores on math exam and tissue concentrations of LSD were obtained at n=7 time points.

Variables/Columns

Tissue Concentration 1-4

Math Score 8-12

Using statistical software (SPSS) to analyze the data and generate the outputs.

REQUIRED: Model Summary, ANOVAandCoefficients(IMAGES)

1. Establish the regression equation with indication of variables x and y.
2. Is the regression model significant? Why?
3. Find and explain the R-square of this problem.
4. Provide an example to illustrate usage of the regression equation established in part a).