The data collected during measurements is analyzed using statistical tools. Students often use to create histograms and calculate the mean and standard deviation of their box dimensions. This helps identify "outliers"—boxes that do not meet the quality standards and must be rejected or reworked. Refining the Process
Common questions from PLTW’s Introduction to Engineering Design (IED) or Principles of Engineering (POE) unit 3.9 might ask you to: 3.9 manufacturing a box pltw answer key
Students typically use a "Student Box Kit" to construct an open box with specific dimensions, often . Standard materials include: The data collected during measurements is analyzed using
: Dimensions must fall within a specific tolerance (e.g., +/- 0.005 inches). 4. Cost of Goods (COG) Analysis
: Calculate how long it would take to build enough boxes for the entire class based on this initial prototype. 4. Cost of Goods (COG) Analysis