An Analyst Has a Set of Normally Distributed Intervally Scaled

question 69

Multiple Choice

An analyst has a set of normally distributed intervally scaled data resulting from two observations on the same sample of subjects, and he wishes to investigate if there is any difference in these two means. The appropriate statistical procedure is

• A) z-test for difference in two means.
• B) Analysis of variance (ANOVA).
• C) paired samples t-test.
• D) chi-square goodness-of-fit test.
• E) regression analysis.

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Definitions:

Involvement

The degree or extent to which an individual is actively engaged in or committed to a particular activity or cause.

Synchrony

The simultaneous action or occurrence of events or processes, often used to describe moments of shared attention or coordination between individuals.

Responsiveness

The quality of reacting quickly and positively to stimuli or needs, often used in customer service, healthcare, and personal relationships.

Easily Consoled

describes a state of being able to be comforted or soothed with relative ease, often used in the context of infants or emotional distress.