Which are the 7 QC tools?

[vishwanathoils]

Which are the 7 QC tools?

[lishmalinyjames]

Stratification.
Histogram.
Check sheet (tally sheet)
Cause and effect diagram (fishbone or Ishikawa diagram)
Pareto chart (80-20 rule)
Scatter diagram (Shewhart chart)
Control chart.

[Akshay_M]

What are the 7 basic quality tools?
Stratification.
Histogram.
Check sheet (tally sheet)
Cause and effect diagram (fishbone or Ishikawa diagram)
Pareto chart (80-20 rule)
Scatter diagram.
Control chart (Shewhart chart)