Question

True/False

___ Poisson regression is used when a count variable is regressed onto a set of continuous and/or categorical predictors.

___ Ranks are never considered preferable to the actual data.

___ When using a parametric test if two groups have identically skewed distributions with the same variance, then any differences would be due to differences in location.

___ A rank-based test may be considered a robust alternative because it is testing a null hypothesis similar in concept to the parametric null.

___ The most commonly used parametric procedures test differences in location because other distributional differences are assumed not to exist.

___ Data transformations can alter the fundamental nature of the data and the null hypothesis being tested, thus complicating interpretation.

Answer #1

*1. True*

*2. False*

*3.True*

*When using a parametric test if two groups have
identically skewed distributions with the same variance, then any
differences would be due to differences in
location.*

*4.True*

*A rank-based test may be considered a robust
alternative because it is testing a null hypothesis similar in
concept to the parametric null.*

*5.True*

*The most commonly used parametric procedures test
differences in location because other distributional differences
are assumed not to exist.*

*6.True*

*Data transformations can alter the fundamental
nature of the data and the null hypothesis being tested, thus
complicating interpretation.*

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