Which statement best explains why the United States grew into a world economic power in the 20th century?
O A. The United States prevented other countries from abandoning the
gold standard.
O B. The United States increased its participation in international trade.
C. The United States put effective trade barriers in place to limit trade
with other nations.
D. The United States stayed out of major world wars and instead
made economic investments.

What does the consumer price index measure? a. the change in prices of all goods and services over time b. the change in prices of specific goods and services over time c. the change in prices of final goods and services over time

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups.b. we cannot infer anything from these data since the distribution of salaries is likely right skewed.c. you cannot draw any valid conclusions because the sample sizes are different.d. more students should complete internships because having an internship produces a higher salary.

Job 456 was recently completed. the following data have been recorded on its job cost sheet: direct materials $ 2,418 direct labor-hours 74 labor-hours direct labor wage rate $ 13 per labor-hour machine-hours 137 machine-hours the corporation applies manufacturing overhead on the basis of machine-hours. the predetermined overhead rate is $14 per machine-hour. the total cost that would be recorded on the job cost sheet for job 456 would be: multiple choice $3,380 $5,298 $6,138 $2,622