A market research team compiled the following discrete probability distribution for families residing in Randolph County. In this distribution, x represents the number of evenings the family dines outside their home during a week:
Determine the mean (average) value and standard deviation of x.
Definitions:
Data Collection Techniques
Methods and tools used to gather information, facts, or data to analyze and make decisions, including surveys, interviews, observations, and experiments.
Observed Behavior
Actions or reactions of an individual that can be directly seen and recorded by others.
Interviews
Interviews are structured or semi-structured conversations where questions are asked to gather information, opinions, or experiences from one or more individuals.
MMPI-2
The Minnesota Multiphasic Personality Inventory-2, a widely used standardized psychometric test of adult personality and psychopathology.
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