What happens when a dataset includes records with missing data?

However, if the dataset is relatively small, every data point counts. In these situations, a missing data point means loss of valuable information. In any case, generally missing data creates imbalanced observations, cause biased estimates, and in extreme cases, can even lead to invalid conclusions.

answer; i believe its compare (b3: b4) ;

answer; i do believe the correct answer is ( retailing); good luck