Random Sampling

question 32

Multiple Choice

Random sampling

• A)is most likely to produce a sample that truly represents the population.
• B)is the same as quota sampling.
• C)requires less work than nonrandom sampling.
• D)is similar to black versus white.

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Definitions:

Degrees of Freedom

The number of values in a calculation that are free to vary without violating any constraints.

Contingency Table

A tabular method to display the frequency distribution of variables along with their joint distribution.

Contingency Table

A type of table used in statistics to summarize the relationship between two categorical variables, showing the frequency of various combinations of outcomes.

Nominal Variables

Variables that represent categories with no intrinsic ordering or hierarchy, such as gender, nationality, or brand.