Which of the Following Is Motivated by an Efficiency Concern

question 29

Multiple Choice

Which of the following is motivated by an efficiency concern?

• A)In 2009,the Obama administration increased unemployment benefits.
• B)As part of an economic stimulus package,each taxpayer received a $3,000 tax rebate check.
• C)Following a six-month drought,a city banned homeowners from watering their lawns in an effort to conserve water.
• D)Some U.S.colleges have cut back on merit scholarships since these programs siphon money from need-based programs,thus harming lower-income students with greater financial need.

Appreciate the significance of sample size and composition in statistical accuracy.

Identify the characteristics and classification of data within a statistical population.

Understand the concept of external/internal validity in studies and experiments.

Differentiate between observational studies and experiments.

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Definitions:

DNA Replication

The procedure through which a double-stranded DNA molecule duplicates, resulting in two identical DNA molecules.

Interphase

The phase of the cell cycle in which a cell spends most of its life, preparing for cell division by replicating its DNA and increasing in size.

Cytoplasm Divides

The process during cell division where the cytoplasm of a parent cell is split and distributed into two new daughter cells.

Contractile Ring

A structure made of actin filaments that constricts the cytoplasm during cell division, leading to cytokinesis.