In 1989 more than a million students occupied ________________ to stage peaceful, pro-democracy protests, but when the government sent in the army to break up the protest about 1,500 people died as a result

Addressing the null hypothesis in time-series designs is done by

A) simply inspecting the time graph B) using simple t-tests. C) sophisticated statistical procedures D) computing the correlation coefficient.

The present day happenings in Somalia are an example of which of the four waves of terrorism