ASSIGNMENTS:

T-Test

Practice Problem

Homework Problem

One-Way ANOVA

Practice Problem

Homework Problem

Two-Way ANOVA

Practice Problem

Homework Problem

Correlation

Practice Problem

Homework Problem

Regression

Practice Problem

Homework Problem

Chi Square

Practice Problem

Homework Problem

Homework Problem

Practicing Freethrows:  Correlation

Description: hours practiced and successful free throw attempts were analyzed.

Number of cases: 18

Variable Names:

1. 1.Time (hours)
   
   

2. 2.Makes (made free throws out of 5 attempts)
   
   

Download the SPSS dataset:  freethrows.sav

QUESTIONS

1. 1.Is there a significant relationship between time spent practicing and number of free throws made? If the relationship is significant, report the pearson r coefficient and describe the relationship.
   
   

2. 2.Obtain a scatterplot   Given the assumptions of correlation, explain a possible reason why a significant relationship was not found.
   
   

SPSS Instructions

Correlation

1. •Open the file.
   
   

2. •Select Correlation (under the "statistics" menu select Correlate then Bivariate)
   
   

3. •A dialog box should appear.  Move your two variables into the "variables" box.
   
   

4. •Hit "ok".
   

Scatterplot

1. •Select scatter... (under the "graphs" menu )
   
   

2. •Select "simple" then hit "define"
   
   

3. •Select one variable for the "x axis" and one variable for the "y axis"
   
   

4. •Hit "ok".