P-Value
📈 Investing
intermediate

Quick Definition

The p-value is a statistical measure that helps determine the significance of the results obtained from a data set, indicating the probability of observing results at least as extreme as those measured when the null hypothesis is true.

Formula

p = P(T > t | H0)

Examples

  • 1In stock market analysis, a p-value is used to test the effectiveness of a new trading strategy compared to the existing one.
  • 2In portfolio management, p-values help determine whether the changes in portfolio returns are due to a specific investment strategy or random fluctuations.
  • 3In economic forecasting, p-values are used to assess the reliability of economic indicators in predicting market trends.

Tags

statisticsdata-analysishypothesis-testinginvestment-strategiesmarket-research