Consider the Following Sample Data

question 4

Multiple Choice

Consider the following sample data. The standard deviations from the data are 3.67 for Y, and 45.28 for X. These sample data are shown as follows: Given this data, the sample correlation is approximately

• A) 0.6770
• B) 0.5416
• C) 0.1565
• D) 0.3585
• E) 0.1956

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Definitions:

Focus Group

A small, diverse group of people whose reactions are studied especially in market research or political analysis in guided or open discussions about a new product or something else to determine reactions that can be expected from a larger population.

Depth Interview

A qualitative research technique that involves conducting intensive individual interviews with a small number of respondents to explore their perspectives on a particular idea, program, or situation.

Mail Survey

A research method in which questionnaires are sent through the postal service to potential respondents, who are asked to complete and return them.

Questionnaire Data

Information collected from a series of questions asked to respondents, used for research purposes to gather data on opinions, behaviors, or characteristics.