Q.1-What Is Loss Of Information In Classified Data ???

Q.2-When do generally errors of grouping arise?

Q.3-Crop Production is discrete or continuous variable?

Q.4-Why is gender said to be a variable although it can't be numerically expressed?

Q.5-What are the various uses of bar diagrams?

The classification of data as a frequency distribution has an inherent shortcoming. While it summarises the raw data making it concise and comprehensible, it does not show the details the are found in raw data. There is a loss of information in classifying data through much is gained  by summarizing it as a classified data.
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