Any help will be appreciated. Thank you Which test could you use to determine if

Question

Any help will be appreciated. Thank you

Which test could you use to determine if the error variance from trials conducted at multiple locations meets the assumption of homogeneity required to do a combined analysis across locations?

a.The F Max Test d. all of the above

b.Bartlett’s Test

c.Levene’s Test

You are using the nlme package in R to analyze a mixed effects model. What would the expression (1|location/block) in the linear model indicate?   

a.Blocks are nested in locations and both are fixed effects

b.This is a first order polynomial, so the relationship is linear

c.Location and location x block are random effects in the model and have a variable intercept

Explanation / Answer

Answer is d) all of the test used to check homogeneity of variance .

Answer is b) this is a first order polynomial so the relationship is linear. Nlme used for linear mixed effect

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