US Department of Labor
Bureau of Labor Statistics: Productivity and Costs
This site provides statistics for manufacturing and productivity in the USA in various economic sectors.
University of Colorado
University of Colorado: Principles of Microeconomics: Production and Costs
High-level site provides a definition and a numerical example for total product. You need to scroll down to the large chart to find this information.
Other
Notes for Chapter 3: (Marginal Product)
This site provides a good analysis of the concepts of marginal product, marginal revenue product, marginal costs, and how a monopsonist determines wages and quantity of labor hired.
Robert Schenk, PhD
Cyber Economics: Marginal Productivity and Income
Site provides a good description of the concept of "marginal productivity" along with other related terms such as marginal costs, marginal revenue product, and derived demand.
Wikimedia
Wikipedia: Productivity
Provides a definition of productivity in economics, describes several models of production, and explains how productivity can be analyzed.
Curated OER
Productivity Conceptual Model
This site provides a conceptual map based on business organization and productivity.