The degree of spread among data surrounding the mean is known as effect size

Prior to the 1960s, money typically flowed ______.

a. from developed to developing countries b. from colonized countries to colonial powers c. from developed countries to other major powers d. within national borders

Native Americans did not regain meaningful control over their tribal lands until

a. the 1890s.  b. the 1930s.  c. the 1950s.  d. the 1970s.