Online Training Samples:
Be sure to check out free samples of our Excel online training courses – covering a variety of topics in Excel 2016, 2013, 2010, and 2007 at lynda.com (a LinkedIn company). About 10% of every course can be viewed at no charge.
Watch a sample lynda.com tutorial | Excel formula tutorial: How to use COUNTIF, SUMIF, or AVERAGEIF functions: