Which of the Following Is Not True About Stratified Random

question 19

Multiple Choice

Which of the following is not true about stratified random sampling?

• A) It involves a random selection process from identified subgroups
• B) Proportions of groups in the sample must always match their population proportions
• C) Disproportional stratified random sampling is especially helpful for getting large enough subgroup samples when subgroup comparisons are to be done
• D) Proportional stratified random sampling yields a representative sample

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Definitions:

Cable

A medium used for the transmission of television signals, internet communication, and power.

Coaxial Cable

Insulated copper wire; used to carry high-speed data traffic and television signals.

Cable

A medium used for transmitting electrical power or signals, consisting of one or more wires enclosed in a protective sheath.

DSL

Stands for Digital Subscriber Line, a technology for bringing high-bandwidth information to homes and small businesses over ordinary copper telephone lines.