Question

If you have a number of scores that are outliers you should a) throw them out....

If you have a number of scores that are outliers you should

a) throw them out.

b) run the analysis with and without them, to see what difference they make.

c) try to identify what is causing those scores to be outliers.

d) both b and c

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Answer #1

It is important to identify the nature of the outlier before taking an action on.

It is very important to see the impact of outliers in the model.

Also, it is important to identify the outlier causing scores, so that the action can be decided to be taken on outliers.

b) run the analysis with and without them, to see what difference they make.

c) try to identify what is causing those scores to be outliers.

are correct

Hence the answer is :

d) both b and c

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