A theoretical line refers to an imaginary straight line that is used as a reference point or baseline for comparison in statistical analysis.
Related terms
Outlier: A data point that significantly deviates from the overall pattern of other data points.
Regression Line: A straight line that represents the average relationship between two variables in linear regression analysis.
Central Limit Theorem: A statistical principle stating that regardless of the shape of the distribution, with large enough sample sizes, the sampling distribution will approximate a normal distribution.