Which of the Following Is Accurate

question 85

Multiple Choice

Which of the following is accurate?

• A) the reason that researchers use probability samples is because they guarantee representativeness of the sample
• B) in general, the more heterogeneous a population, the smaller the sample needed for representativeness
• C) a simple random sample is appropriate when the researcher wants to over-represent a characteristic in the population
• D) a sample is representative of the population from which it is drawn if the aggregate characteristics of the sample approximate those of the general population

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Definitions:

WiMAX

Worldwide Interoperability for Microwave Access, a technology for broadband wireless networks providing high-speed internet access over long distances.

Bluetooth

A wireless technology standard for exchanging data over short distances from fixed and mobile devices.

MiFi

MiFi is a brand name used to describe a portable broadband device that acts as a mobile Wi-Fi hotspot, enabling multiple users to connect to the internet via a cellular network.

Throughput

Measures the rate at which a system processes tasks, data, or communications during a specific time frame.