What Type of Research Source Provides the Best Firsthand Information

question 52

Multiple Choice

What type of research source provides the best firsthand information?

• A)Web pages or articles
• B)Interviews
• C)Company records
• D)Databases

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Definitions:

Mean Height

The average height calculated by summing the heights of all individuals in a sample and dividing by the number of individuals.

Standard Deviation

A metric that calculates the extent of spread or variability within a data set.

Wechsler Intelligence Scale

A standardized test designed to measure a person's cognitive ability and intellectual ability in both children and adults.

Confidence Interval

A range of values used to estimate the true value of a population parameter, calculated from a given set of sample data.