In 1993 President Clinton nominated both Ruth Bader Ginsburg, a judge of the Federal Court of Appeals in Washington, D.C., and Stephen G. Breyer, the chief judge of the Federal Court of Appeals in Boston, to the Supreme Court

Which statement best describes the trend in presidential approval?

a. Presidents typically begin their terms with high approval ratings but lose popularity over time. b. Presidents typically begin their terms with low approval ratings but ratings increase as they prove themselves over time. c. Presidents typically begin and end their terms with high approval ratings. d. Presidents typically begin and end their terms with low approval ratings.

A correlation coefficient of a given magnitude is more likely to be statistically significant when

a. the sample size is small rather than large b. the error variance is large rather than small c. the sample is homogeneous d. the coefficient of determination is near zero e. it is based on a large rather than a small number of scores