A large company surveys 100 employees by taking random samples of 10 managers and 90 non-managerial employees.*1 pointSimple randomStratified randomCluster samplingSystematic sampling

A large company surveys 100 employees by taking random samples of 10 managers and 90 non-managerial employees.

For the following, identify which type of sampling technique was used.To obtain a sample of the employees at a social media marketing company, 100 employees are randomly selected from a numbered list of the 1000 employees.

A manager associated each employee's name with a number on one ball in a container, then drew balls without looking to select a sample of   employees.What type of sample is this?Choose 1 answer:Choose 1 answer:(Choice A)   Simple random sampleASimple random sample(Choice B)   Stratified random sampleBStratified random sample(Choice C)   Cluster random sampleCCluster random sample(Choice D)   Systematic random sampleDSystematic random sample(Choice E)   None of the aboveENone of the above

A researcher is interested in studying the job satisfaction of employees in a large corporation. The corporation has distinct departments, and the researcher wants to ensure that each department is proportionally represented in the sample. Which sampling method is most appropriate? a. Quota sampling b. Systematic random sampling c. Stratified random sampling d. Simple random sampling

A student council surveys 100 students by taking random samples of  25 freshmen, 25 sophomores, 25 juniors, and 25 seniors.*1 pointSimple randomStratified randomCluster samplingSystematic sampling