Month: December 2021

OPTIONS There is 82% chance the model is significant There is 82% chance the model is non-significant There is 64% chance the model is significant There is 64% chance the model is non-significant ANSWER There is 82% chance the model is non-significant EXPLANATION SECOND OPTION...

OPTIONS Quarter Fractional Factorial Design Screening Design Half fractional Factorial Design Resolution IV design ANSWER RESOLUTION IV DESIGNS EXPLANATION This type of an experimental setting gets classified as a Resolution IV design.

OPTIONS 20 5 25 15 ANSWER 5 EXPLANATION Mean Squares = Sum Squares/Degrees of freedom, so 5 is correct.

OPTIONS Replication Randomization Coding Blocking ANSWER REPLICATION EXPLANATION Replication helps you to understand the difference between the different variances.

OPTIONS Factor A decreases response by 2.5 Factor A increases response by 2.5 Response increases factor A by 2.5 Response decreases factor A by 2.5 ANSWER Factor A increases response by 2.5 EXPLANATION A main effect showing up as X indicates the impact of the...

OPTIONS PositiveNegativeNegligibleNone of the above ANSWER Positive EXPLANATION Using standard calculations for main effect, POSITIVE is correct

OPTIONS Goodness of fit p-value is less than 0.05Goodness of fit p-value is more than 0.05Scaled residuals are in the range 0 and -1The Normal Plots are approximately linear ANSWER Goodness of fit p-value is more than 0.05 EXPLANATION The best statistically validated conditions can...

OPTIONS Full Factorial Half fractional Factorial Resolution V designs Resolution IV Designs ANSWER Resolution V designs EXPLANATION For factors greater than 4, Resolution V designs work best.

OPTIONS Blocking Randomization Replication Coding ANSWER Randomization EXPLANATION For the validity of a designed setup, it is important the experiment is randomized and so Randomization is correct.

OPTIONS Pure variation Random variation Lack of fit variation Extraneous variation ANSWER Random variation EXPLANATION Natural variations in a process is always known as Random variation so Random variation is correct.