When mean imputation is performed on data after the data is partitioned for honest assessment, what is the most appropriate method for handling the mean imputation?
A . The sample means from the validation data set are applied to the training and test data sets.
B . The sample means from the training data set are applied to the validation and test data sets.
C . The sample means from the test data set are applied to the training and validation data sets.
D . The sample means from each partition of the data are applied to their own partition.
Answer: B
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