**Learn and Practice Free Six Sigma Analyze Set 1 questions **

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#### Standard order is the same as run order.

Option 1: True

Option 2: False

Option 3:

Option 4:

Option 5:

#### Why use factorial plots? Answer: e.

Option 1: Allows you to see the plots of the main effects

Option 2: Allows you to see the interaction plots

Option 3: Allows you to see the cube plots

Option 4: Shows how to set each factor to either maximize or minimize the response

Option 5: All of the above

#### What tools can be used to determine if factors have interaction?

Option 1: Balanced ANOVA

Option 2: Standardized effects

Option 3: Interaction plots

Option 4: Fractional factorial fits

Option 5: All of the above

#### What does it mean when no p-values are presented in the ANOVA output?

Option 1: Means the factors are statistically significant

Option 2: Means the factors are not different

Option 3: Only one repetition was run at each treatment combination.

Option 4: Had no center points

Option 5: All of the above

#### Why do we replicate our experimental runs?

Option 1: So we can look for special causes

Option 2: To obtain a better estimate of the error and look at interactions

Option 3: To determine the factor levels

Option 4: So we can look at the same thing run again

Option 5:

#### To use a center point in your experimental design, at least one factor must be able to be set at its midpoint coded value = 0.

Option 1: True

Option 2: False

Option 3:

Option 4:

Option 5:

#### Why use center points in your experimental design?

Option 1: To check for linearity

Option 2: To check for interactions

Option 3: To detect curvature

Option 4:

Option 5:

#### If a center point is significant, its p-value in the ANOVA table will be greater than 0.05.

Option 1: True

Option 2: False

Option 3:

Option 4:

Option 5:

#### Fractional factorial designs require more runs than full factorial designs given the same number of factors.

Option 1: True

Option 2: False

Option 3:

Option 4:

Option 5:

#### What is the main reason for using a fractional factorial design?

Option 1: True

Option 2: False

Option 3:

Option 4: . All of the above

Option 5:

#### In a four-factor 1/2 fractionated design, the AB interaction is confounded with the CD interaction.

Option 1: True

Option 2: False

Option 3:

Option 4:

Option 5:

#### What does it mean when A is confounded with BC?

Option 1: A is contributing to the result.

Option 2: BC is contributing to the result.

Option 3: The computed coefficients are related to the sum of the two individual effects.

Option 4: The sums of squares are related to the sum of the two individual effects.

Option 5:

#### In a resolution IV design, two-factor interactions are aliased with three-factor interactions.

Option 1: True

Option 2: False

Option 3:

Option 4:

Option 5:

#### In a resolution III design, single factors are not aliased with any other factors.

Option 1: True

Option 2: False

Option 3:

Option 4:

Option 5:

#### The identity expression I + ABCD is used to generate the confounding pattern.

Option 1: True

Option 2: False

Option 3:

Option 4:

Option 5:

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