Learn what analysis of variance (ANOVA) is, how it works, and when to use it. See how it helps compare means across multiple data groups in statistics and research.

In this paper we study an optimal insurance problem within the mean–variance framework for the case when the insured and insurer hold heterogeneous beliefs about the loss distribution. The implicit ...

This paper is concerned with multi-period asset–liability mean–variance portfolio selection with an uncertain exit time. By employing the mean-field formulation to this problem which involves ...

A stock's historical variance measures the difference between the stock's returns for different periods and its average return. A stock with a lower variance typically generates returns that are ...

Learn how to calculate stock beta in Excel using historical price data and formulas—enhance your investment analysis with this step-by-step guide.