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Identify the sampling strategy used in each scenario. Select from simple random, systematic, stratified, cluster, convenience,...

Identify the sampling strategy used in each scenario. Select from simple random, systematic, stratified, cluster, convenience, or state that this is not a random sampling strategy.

a. Names are written on ping-pong balls, then the balls are mixed and drawn at random.

b. The population of those on campus are divided into students, faculty, and staff. A proportional number are then randomly selected using simple random sampling from each of the three groups.

c. Individuals are lined up and every third individual is chosen.

d. Individuals are numbered and technology is used to randomly select the desired quantity of random numbers within a specified range.

e. To survey students, a random selection of classes are selected and every student in each class is given a survey to complete.

f. Individuals are approached and asked to complete a survey. Those who are willing to respond are included in the sample.

Math   Statistics-And-Probability   
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