What Type of Sample Selects N Units Out of N

question 28

Multiple Choice

What type of sample selects n units out of N such that each _NC_n has an equal probability of being samples,simply by using a table of random numbers,a computer random-number generator,or a mechanical device to select the sample?​

• A) ​simple random
• B) ​stratified random
• C) ​systematic random
• D) ​cluster random

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