Aircraft primer paints are applied to aluminum surfaces to improve paint adhesion. Theprocess engineering group responsible for this operation is interested in learning whetherthree different primers differ in their adhesion properties. An experiment was designed andconducted to investigate the effect of paint primer type on paint adhesion. For each primertype, six specimens were painted, then a finish paint was applied, and the adhesion force wasmeasured. The data from the experiment are shown in the following table.Adhesion force (MPa)Primer Type X 4.5 4.5 4 5 5.5 5Y 5.5 5.5 6 6.5 7 7Z 3.5 4 3 4 5 4.5a) What type of experiment is this? What type of analysis id needed for the investigation?Break down the details and parameters of this experiment design. You must list theparameters that were considered in the design and also mention the quantity of each.b) Does primer type make a significant impact on adhesion, at 5% significance level?
Aircraft primer paints are applied to aluminum surfaces to improve paint adhesion. The
process engineering group responsible for this operation is interested in learning whether
three different primers differ in their adhesion properties. An experiment was designed and
conducted to investigate the effect of paint primer type on paint adhesion. For each primer
type, six specimens were painted, then a finish paint was applied, and the adhesion force was
measured. The data from the experiment are shown in the following table.
Adhesion force (MPa)
Primer Type X 4.5 4.5 4 5 5.5 5
Y 5.5 5.5 6 6.5 7 7
Z 3.5 4 3 4 5 4.5
a) What type of experiment is this? What type of analysis id needed for the investigation?
Break down the details and parameters of this experiment design. You must list the
parameters that were considered in the design and also mention the quantity of each.
b) Does primer type make a significant impact on adhesion, at 5% significance level?
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