Examlex
When the stock price follows a random walk,the price today is said to be equal to the prior period price plus the expected return for the period with any remaining difference to the actual return due to:
Linear Regression
An analytical technique that models the connection between a dependent variable and one or more independent variables.
Statistical Model
A mathematical representation of observed data that accounts for randomness and uncertainty in the observations.
Equation
A mathematical statement that asserts the equality of two expressions, represented by the symbol "=".
Fit
In statistical modeling, it refers to how well a model describes and predicts data, with good fit indicating the model accurately reflects the observed data.
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