The GEOMEAN and HARMEAN are advanced statistical functions that typically require a deeper understanding of mathematics. This is probably why they aren't taught as often as the AVERAGE function.
Learn what residual standard deviation is, how to calculate it in regression analysis, and why it's crucial for measuring predictability and goodness-of-fit in data modeling.
3don MSNOpinion
People are divided over answer to easy math problem - can you solve it in 30 seconds?
If you correctly recall the elementary trick for order of operations, solving this problem should be a breeze.
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