Effective summary tables generally:
A)have very detailed column headings and footnotes.
B)round their data to three or four significant digits.
C)use plenty of heavy vertical lines to separate the columns.
D)have the raw data listed in a footnote for clarity.

Question

Quizplus · Accepted Answer

Effective summary tables often round their data to three or four significant digits to make the information easier to read and understand, avoiding unnecessary detail that can clutter the table and confuse the reader.

Effective Summary Tables Generally