Data Analysis & Reporting Flashcards
7 cards from real CPP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Data Analysis & Reporting flashcards as text
A packaging supplier provides a Certificate of Analysis (CoA) with each shipment. The PRIMARY purpose of reviewing the CoA is to:
Answer: Confirm incoming material meets specification before use
A CoA documents test results for a specific lot, allowing the receiver to verify that incoming materials meet agreed-upon specifications prior to use in production.
When analyzing packaging line throughput data, the mean output is 500 units/hour but the median is 430 units/hour. This discrepancy most likely indicates:
Answer: High-output outlier events are skewing the mean upward
When the mean significantly exceeds the median, positive outliers (unusually high production bursts) are pulling the mean up, indicating right-skewed data.
In a packaging operation, which chart would BEST display the proportion of defective units across five different production shifts?
Answer: p-chart
A p-chart monitors the proportion of defective items in subgroups of varying sizes, making it appropriate for tracking defect rates across shifts.
A packaging specification report uses Cpk to evaluate process capability. A Cpk of 0.95 means the process is:
Answer: Marginally capable and likely producing some defects
Cpk below 1.00 indicates the process is not capable of consistently meeting specifications and is producing some out-of-spec product.
Which technique would a packaging analyst use to determine which combination of factors (temperature, pressure, dwell time) most affects seal integrity?
Answer: Design of Experiments (DOE)
DOE systematically varies multiple factors simultaneously to identify main effects and interactions that influence a response variable like seal integrity.
A packaging team is reviewing monthly scrap cost data. They find that label waste accounts for 52% of total scrap costs. Using the Pareto principle, the BEST next step is to:
Answer: Focus improvement efforts on label waste first
The Pareto principle directs resources toward the vital few causes with greatest impact; label waste at 52% of total cost is clearly the priority for improvement.
In a packaging validation report, what does a Process Validation Protocol (PVP) typically document?
Answer: Test methods, acceptance criteria, and sampling plans to confirm process consistency
A PVP outlines the testing approach, sample sizes, acceptance criteria, and methods used to demonstrate that a packaging process consistently produces conforming product.