Some Potential Difficulties Arise in the Chi Square Test When

question 9

Multiple Choice

Some potential difficulties arise in the chi square test when

• A)sample size is small.
• B)sample size is very large.
• C)many cells have expected frequencies of five or less.
• D)all of these

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Definitions:

Viruses

Infectious agents that replicate inside the living cells of other organisms, consisting of RNA or DNA and a protein coat.

Epithelial Surfaces

Layers of cells that line the body’s surfaces and cavities, providing protection, secretion, and absorption functions.

Antigen Presenting Cells

Cells that display foreign antigens complexed with major histocompatibility complex molecules on their surfaces.

Progenitor

An ancestor or parent in a direct line of descent, or a cell that has the capacity to differentiate into a specific type of cell.