Suppose the current exchange rate for the polish zloty is z 2.85. the expected exchange rate in three years is z 2.93. what is the difference in the annual inflation rates for the united states and poland over this period?

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.

Dr. hughes enjoys offering to employees who perform over and above the call of duty

What is the percentage of total gross domestic productions ( gdp) that oil sales represent to the top ten oil producing countries?