The Survey Process Begins with the Definition of the Problem

question 38

Multiple Choice

The survey process begins with the definition of the problem in conceptual and operational terms. Program planners can do the following EXCEPT:

• A) design a data collection instrument.
• B) select questions from an existing survey.
• C) design a sampling strategy.
• D) conduct interviews.

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Definitions:

Sample Variance

A measure of how datapoints in a sample are spread out from their sample mean, quantifying the extent of variation within the sample.

Kurtosis

A measure of the "tailedness" of the probability distribution of a real-valued random variable; high kurtosis indicates a distribution with heavy tails and a sharp peak, while low kurtosis indicates a flatter distribution.

Histogram

This is a graphical representation of data using bars of different heights where each bar groups numbers into ranges.

Unimodal

Describing a distribution with a single peak or mode, representing the most frequently occurring value.