Training
PQCDSM KPI Definitions. Part 2
Productivity People – hours per unit volume (tonne or ‘000 units) This indicator measures the labour productivity and is based on the people hours required to produce a single unit of volume. It is a measure of consumption and not cost. People-hours per unit volume = Total people-hours required within…
Read More »Introduction to Hypothesis Testing
Hypothesis Testing is a statistical tool, that allows the resemblance of two or more process attributes – mean, median and standard deviation. It provides with a method to determine differences. Important part of a conclusion reached on the basis of random sampling (statistical inference)A hypothesis is a statement that we…
Read More »Measurement System Analysis (MSA)
The Challenge with Data Collection The data you collect may only be as good as the system you use to collect it.Repeated measures of a variable give different results. Data collected from a measurement system that is not “accurate or precise” may lead to an incorrect business decision: Rejecting an…
Read More »Sampling
In the Measure phase of a Six Sigma project, team needs to collect data to measure the baseline performance of Y. Since it’s not always possible to measure every item n the population, samples are collected. So you might be wondering, “How do you sample?” and, “How much do you…
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