Formular Number 
Name 
Formular 
Formular with R


9.2.1 
Assumption of linearity 
Example 
Example

9.2.2 
Simple linear regression model 
Example 
Example

9.2.3 
Error (residual) term 
Example 
Example

9.3.1 
Algebraic representation of a straight line 
Example 
Example

9.3.2 
Least square estimate of the slope of a regression line 
Example 
Example

9.3.3 
Least square estimate of the intercept of a regression line 
Example 
Example

9.4.1 
Deviation equation 
Example 
Example

9.4.2 
Sumofsquares equation 
Example 
Example

9.4.3 
Estimated population coefficient of determination 
Example 
Example

9.4.4–9.4.7 
Means and variances of point estimators a and b 
Example 
Example

9.4.8 
z statistic for testing hypotheses about b 
Example 
Example

9.4.9 
t statistic for testing hypotheses about b 
Example 
Example

9.5.1 
Prediction interval for Y for a given X 
Example 
Example

9.5.2 
Confidence interval for the mean of Y for a given X 
Example 
Example

9.7.1–9.7.2 
Correlation coefficient 
Example 
Example

9.7.3 
t statistic for correlation coefficient 
Example 
Example

9.7.4 
z statistic for correlation coefficient 
Example 
Example

9.7.5 
Estimated standard deviation for z statistic 
Example 
Example

9.7.6 
Z statistic for correlation coefficient 
Example 
Example

9.7.7 
Z statistic for correlation coefficient when n < 25 
Example 
Example

9.7.8 
Standard deviation for z Ã 
Example 
Example

9.7.9 
Z Ã statistic for correlation coefficient 
Example 
Example

9.7.10 
Confidence interval for r 
Example 
Example

Symbol Key 
