Of the Following Techniques for Collecting Data, Which One Is

question 152

Essay

Of the following techniques for collecting data, which one is generally considered the least costly to implement: experiments, telephone surveys, mail questionnaires, direct observation, personal interview?

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Definitions:

Canada

A country located in the northern part of North America, known for its vast landscapes, multicultural society, and strong economy.

GDP PPP

Gross Domestic Product at Purchasing Power Parity, a metric that compares countries' economic productivity and standards of living accounting for differences in price levels.

Infant Mortality

The amount of infant deaths before reaching one year of age for every 1,000 live births within a specific year.

Demographic Data

Information collected about the characteristics of populations, such as age, sex, income level, and education, used for statistical analysis.