Question: A2. For the five items in Exercise A.1 with missing values, the item means for all cases for whom data were available are as follows:

A2. For the five items in Exercise A.1 with missing values, the item means for all cases for whom data were available are as follows:

Write a brief statement about whether you think that mean substitution or case mean substitution would be preferred for the five cases with a missing value, based on the information you obtained in Exercise A1. Provide a rationale for your answer.

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