To find the pooled standard deviation involves taking a weighted average of the two sample variances, then finding its square root

List three examples of how companies are using Big Data

What will be an ideal response?

A major flaw of the original General Agreement on Tariffs and Trade (GATT) was that it lacked the power to ________

A) displace the WTO B) reduce nontariff barriers to international trade C) govern exchange rates D) enforce world trade rules