Microsoft Excel includes quick stats via Analysis ToolPak; mean, median, and standard deviation are generated for selected ...

Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Excel isn't hard, just learn the right tricks early enough.

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