SPC Data Collection & Interpretation

Question 1

Which type of data is used when counting defects in a product?

Accepted Answer

Attribute data

Answer

Variable data

Answer

Nominal data

Answer

Interval data

Question 2

What is the main benefit of using random sampling in SPC?

Accepted Answer

It reduces sampling bias

Answer

It eliminates all variation

Answer

It increases defect rates

Answer

It requires fewer tools

Question 3

Which chart is best for monitoring continuous measurement data?

Accepted Answer

X-bar chart

Answer

P-chart

Answer

Run chart

Answer

Fishbone diagram

Question 4

What does the term 'bias' refer to in measurement systems?

Accepted Answer

Systematic error from true value

Answer

Measurement repeatability

Answer

Measurement reproducibility

Answer

Natural variability

Question 5

Which factor impacts the reliability of data interpretation the most?

Accepted Answer

Measurement system quality

Answer

Chart colors

Answer

Auditor experience

Answer

Sample storage

Question 6

What is the purpose of a Measurement Systems Analysis (MSA)?

Accepted Answer

To assess measurement system performance

Answer

To document operator attendance

Answer

To calibrate machine output

Answer

To track downtime