Do students at various colleges differ in how sociable they are? Twenty-five students were randomly selected from each of three colleges in a particular region and were asked to report on the amount of time they spent socializing each day with other stude

Hypothesis Results
t Test for Differences in Two Means Data Hypothesized Difference Level of Significance Population 1 Sample Sample Size Sample Mean Sample Standard Deviation Population 2 Sample Sample Size Sample Mean Sample Standard Deviation Intermedi

Hypothesis Results
t Test for Hypothesis of the Mean Data Null Hypothesis = Level of Significance Sample Size Sample Mean Sample Standard Deviation 24 0.05 8 25 1.1952286093
Intermediate Calculations Standard Error of the Mean 0.4225771274 Degrees of Free

SUMMARY OUTPUT Regression Statistics Multiple R 0.979957887 R Square 0.9603174603 Adjusted R Square 0.9404761905 Standard Error 1.2909944487 Observations 4 ANOVA df Regression Residual Total 1 2 3 Coefficients 12.3333333333 -3.6666666667 SS MS 80.66666666

11. Make up a scatter diagram with 10 dots for each of the following situations: (a) perfect positive linear correlation, (b) large but not perfect positive linear correlation, (c) small positive linear correlation, (d) large but not perfect negative line

Final Practice Problems 1
Final Practice Problems Sabrina Armstrong PSY/315 February 20th, 2012 Tiffany Cron
Final Practice Problems Final Practice Problems
2
Ch. 7, Practice Problem: 14 14. Evolutionary theories often emphasize that humans have adapted t