SQC2

How many chart types mentioned in

T-LB Procedure "Laboratory Quality Assurance"

• 3

• 4

• 5

Which in not the warning for abnormal control chart?

• 2 out of 3 point beyond 2SD

• 5 consecutive points trending

• Single point beyond 3SD

What warning best match to the picture?

• No warning

• 2 out of 3 points beyond 2 sigma

• Single point beyond 3 sigma

What shall the Lab Analyst do?

• No warning, continue test.

• Continue test, keep monitoring.

• Stop test, investigate.

Which warning do not relate to this picture?

• 5 out of 5 beyond 1 sigma in same direction

• 7 Consecutive points trending

• 9 or more points on same side of center line

What shall the Lab Analyst do?

• Identify cause of warning.

• Continue test, keep monitoring.

• Stop test, raise NC.

Which is the procedure "Laboratory Quality Assurance"?

• P-(T-LB)-1009

• P-(T-LB)-1001

• P-(T-LB)-1011