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Quiz



This activity contains 15 questions.

Question 1.
Designs in which more than one variable are studied simultaneously are called __________ designs.

 
End of Question 1


Question 2.
Give the F test for the interaction effect of factors A and B.

 
End of Question 2


Question 3.
Consider two factors A and B, each with two levels. If there is no interaction between these two factors, the difference in the response variable between the two levels of factor A would be ____________ the difference between the two levels of factor B.

 
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Question 4.
When there are more than two levels of a factor, it can be determined which particular levels are significantly different from each other. Given two factors A and B, the formula for obtaining the critical range for factor A is:

 
End of Question 4


Question 5.
For ANOVA models, the levels of a factor can be selected according to the:

 
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Question 6.

Joe, a novice gardener, has never grown tulips and wanted to get an idea of optimal growing conditions. He decided to do a little experimentation and determine the effects of location, watering frequency, and fertilization on tulip growth. His results are summarized in the table below. Refer also to Table 11.6 in the text.

11m1q6_1.gif

Calculate the estimated effect of factor A, sun versus shade.
 
End of Question 6


Question 7.

Joe, a novice gardener, has never grown tulips and wanted to get an idea of optimal growing conditions. He decided to do a little experimentation and determine the effects of location, watering frequency, and fertilization on tulip growth. His results are summarized in the table below. Refer also to Table 11.6 in the text.

11m1q6_1.gif

Calculate the contrast for the interaction of A and B.
 
End of Question 7


Question 8.
The __________ model contains some fixed and some random effects.

 
End of Question 8


Question 9.
For the ABCDEF interaction, give the alias of ACD.

 
End of Question 9


Question 10.
Consider a four factorial design with three replications for each combination of factors. If the contrast of factor A is 5.8, the sum of squares value for the effect of A is:

 
End of Question 10


Question 11.
For a four factorial design, find the cumulative percentage for the ordered effect A if the ordered rank of the effect A is 2.

 
End of Question 11


Question 12.
A design in which main effects are not confounded with 2-way interactions is called:

 
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Question 13.
Design parameters are also referred to as:

 
End of Question 13


Question 14.
Use of experimental design techniques in the designs stages of a process is referred to as:

 
End of Question 14


Question 15.
If the effects of two treatment combinations are confounded, that is, if they cannot be separated in a fractional factorial design, one effect is said to be the ________ of the other.

 
End of Question 15





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