The Difference Between a Cluster Sample and a Stratified Random

question 50

Multiple Choice

The difference between a cluster sample and a stratified random sample is:

• A)Cluster samples study all possible clusters;stratified random samples randomly select strata
• B)Cluster samples use oversampling;stratified random samples use undersampling
• C)Cluster samples use randomly selected clusters;stratified random samples use pre-determined strata
• D)There is no difference between them

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Definitions:

Tumor Suppressor

A gene that regulates a cell during cell growth and division, and when malfunctioning, can lead to cell growth unregulated and potentially result in cancer.

Malignant Neoplasm

A cancerous tumor characterized by uncontrolled growth and potential to spread to other parts of the body.

Telomeres

The protective structures located at the ends of linear chromosomes, consisting of repetitive nucleotide sequences that protect the chromosome from degradation and fusion with neighboring chromosomes.

Cleavage Furrow

A cleavage furrow is the indentation that begins to appear in the cell's surface as it prepares to divide, ultimately leading to cell separation during cytokinesis.