Frequencies Obtained in a Rows-By-Columns Contingency Table Assuming the Row

question 5

Multiple Choice

Frequencies obtained in a rows-by-columns contingency table assuming the row and column categorizations are independent or unrelated are called frequencies.

• A)expected
• B)marginal
• C)total
• D)observed

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Definitions:

Area

A measure of the extent of a surface or a piece of land, often measured in square units.

Chi-squared Distribution

A probability distribution used in hypothesis testing that is derived from the sum of the squares of k independent standard normal random variables.

Critical Value

A threshold in statistical testing that delineates the boundary for rejecting the null hypothesis.

Left-tailed Area

The area under the curve of a distribution to the left of a specified value, often used in hypothesis testing to determine the likelihood of observing a result at least as extreme as the one observed.