An iANOVA imodel iwith ia isingle iqualitative ipredicting ivariable icontaining ik igroups iwill ihave ik i+ i1
iparameters ito iestimate. i- i(correct ianswer) i-true
See i2.2 iEstimation iMethod
We ihave ito iestimate ithe imeans iof ithe ik igroups iand ithe ipooled ivariance iestimator, is ip io io il ie id i2.
In isimple ilinear iregression imodels, iwe ilose ithree idegrees iof ifreedom iwhen iestimating ithe ivariance
ibecause iof ithe iestimation iof ithe ithree imodel iparameters iβ i0 i, iβ i1 i, iσ i2. i- i(correct ianswer) i-false
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