Why was herbert hoover, an incumbent president, easily defeated by franklin roosevelt?

The value of the next best alternative given up is called ?

Asocial scientist is interested in determining if there is a significant difference in the proportion of republicans between two areas of town. he takes independent random samples of 200 families in each area of town and a significance test was conducted. the p-value was 0.0156. what should be our conclusions?

What rules did the monroe doctrine set for the united states?