Economics · Presentation of Data

In the context of the tabular presentation of statistical data, consider the following statements: Statement I: A statistical table must invariably contain one caption (title) at the top and one footnote at the bottom to ensure clarity, uniformity, and proper explanation of special entries. Statement II: The stub of a table refers to the leftmost column, which contains the headings for the rows and helps in identifying the nature of data presented horizontally. Statement III: For a well-constructed table, the extent of sub-classification under headings and subheadings should be kept to a minimum to avoid unnecessary complexity and maintain readability. Which of the above statements is/are correct according to the principles of tabular presentation?