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Multiple and multiple level independent variables

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Reference no: EM1392502

1) Explain the difference between multiple independent variables and multiple levels of independent variables. Which is better?

2) What is blocking and how does it reduce "noise"? What is a disadvantage of blocking?

3) What is a factor? How can the use of factors benefit a design?

4) Explain main effects and interaction effects.

5) How does a covariate reduce noise?

6) Describe and explain three trade-offs present in experiments.

Reference no: EM1392502

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