In General, the Selected Field Site for an Observational Study

question 1

Multiple Choice

In general, the selected field site for an observational study should be a location where

• A) the appropriate people to study are likely to be available and accessible.
• B) the appropriate individuals are available to collect the data.
• C) a location that provides accommodations for data collectors, such as lodging and food.
• D) both a and b

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Definitions:

Population Variance

A measure of how data points in an entire population are dispersed or spread out from the mean, indicating the level of diversity within the population.

Confidence Interval

A collection of numbers, sourced from sample data, presumed to contain the value of an undiscovered population characteristic.

Population Variance

The variance of a population data set, calculating the mean of the squared deviations from the mean of the data.

Confidence Interval

A range of values, derived from the sample data, that is likely to contain the value of an unknown population parameter.