In the run-up to the presidential election of 2016, who of the following said that student loans are "one of the only things the government shouldn't make money off"?

Explain the differences in the functions performed by heads of state and heads of government. Are these two important institutional figures always separate, that is, can the same person hold both roles?

What will be an ideal response?

Answer the following statement(s) true (T) or false (F)

1. ? gives the estimate of a dependent variable based on any given value of the independent variable. 2. In regression, a one-tailed t-test is used to determine the level of statistical significance. 3. If the ratio of a sample slope to its standard error is greater than 1.96 with a large sample size, the estimate is statistically significant at the 0.01 level. 4. R2 is a Proportional Reduction in Error measure of association. 5. Linear regression can be used to track how a variable changes over time.