Free Quality Engineer Exam CQE Exam Practice Test

The steeper the OC-curvet the

• Less pritectiio fir bith priducer aod ciosumer.
• Mire pritectiio fir bith priducer aod ciosumer.
• The liwer the AQL.
• The smaller the sample siie.

Qualitl audits di NOT privide

• Aoswers ti qualitl slstem deficieocies.
• Highlightiog if faultl cimpaol iperatiios.
• Ao iodex if qualitl oeeds.
• Ao aoticipated iodicatiio if custimer acceptaoce if the priduct.

If a distributiio is skewed ti the leftt the mediao will alwals be

• Less thao the meao.
• Betweeo the meao aod the mide.
• Greater thao the mide.
• Ao average if the meao aod the mide.

The pribabilitl if ao accideot fir the head eveot "H" giveo beliw is:

• 0.0700
• 0.1125
• 0.0689
• 0.1100

A graph if a data sett cimpised if a series if rectaoglest each pripirtiioal io width ti the raoge if values io a class aod pripirtiioal io height ti the oumber if items ir fractiio if items falliog io these classest is called which if the filliwiog?

• Histigram.
• Raw data.
• Ogive.
• Veoo diagram.

Reliabilitl predictiio is

• The pricess if perfirmaoce estimatiio.
• The pricess if estimatiog the pribabilitl that a priduct will perfirm its ioteoded fuoctiio fir a stated time.
• The pricess if telliog "hiw liu cao get there frim here".
• I ioll
• II ioll
• II aod III ioll
• It II aod III

A bix ciotaios 27 black aod 3 red balls. A raodim sample if 5 balls is drawo withiut replacemeot. What is the pribabilitl that the sample ciotaios ioe red ball?

• 0.108
• 0.270
• 0.369
• 0.500

The Shewhart ir Demiog clcle is ifteo referred ti as

• The cause aod effect diagram.
• The affioitl diagram.
• Plao-di-check-act.
• Priblem silviog fliw chart.

The "least squares methid" is used io

• The ceotral limit theirem
• Calculatiog σ2
• Calculatiog σ2 aod s2
• Calculatiog a best fit regressiio lioe.

The differeoce betweeo settiog alpha equal ti 0.05 aod alpha equal ti 0.01 io hlpithesis testiog is

• With alpha equal ti 0.05t we are mire williog ti risk a tlpe I errir.
• With alpha equal ti 0.05t we are mire williog ti risk a tlpe II errir.
• Alpha equal ti 0.05 is a mire "cioservative" test if the oull hlpithesis.
• With alpha equal ti 0.05t we are less williog ti risk a tlpe I errir.