Which of the Following Explains the Cause of the Change

question 23

Multiple Choice

Which of the following explains the cause of the change in the unemployment rate at the end of a recession?

• A)Firms are hesitant to rehire laid off workers as they continue to operate below capacity.
• B)Firms rapidly hire new workers at the first sign of an increase in demand for their goods.
• C)Discouraged workers return to the labor force,and this makes the unemployment rate fall.
• D)Discouraged workers leave the labor force,and this makes the unemployment rate rise.

Apply knowledge of normal distribution and standard deviations to compare performances across different activities or measurements.

Determine the effects of changes in data (such as increases or decreases in means or standard deviations) on summary statistics.

Understand and calculate new mean and standard deviation after data modification.

Apply statistical concepts to make decisions in hypothetical scenarios.

---

Definitions:

Ex Situ Conservation

The strategy of preserving endangered species or genetic materials outside their natural habitats, such as in zoos, seed banks, or aquariums.

CFC

Chlorofluorocarbons, compounds containing carbon, chlorine, and fluorine, known for their role in ozone depletion.

O3

Ozone; a molecule composed of three oxygen atoms, significant as a protective layer in the Earth's stratosphere and as a pollutant at ground level.

Biosphere Reserves

Zones designed and set aside to protect biodiversity, promote sustainable development, and foster research and conservation education.