Classify each sample as Simple Random Samples, systematic, stratified, or cluster. CBE dean wants to select...
- Classify each sample as Simple Random Samples,
systematic, stratified, or cluster.
- CBE dean wants to select 10 professors to attend a conference. He has decided to have an equal number of delegates from each department. Therefore, he randomly selected two professors from each department.
- From the first 10 customers entered in a mall, the 6th customer was randomly selected to know his/her favorite store. Then every 6th of each 10 customers was selected to ask the same question.
- From all departments of UAE University, two departments have been randomly selected and all students of these two departments were asked for their learning satisfaction rate.
- Nursing supervisors are selected using random numbers in order to determine annual salaries.
- To estimate the average salary of the UAE University professors, you have randomly selected a sample of 25 professors.
Can you please help me with this question for statistics for business course.
Homework Answers
a) Stratified sampling. ( each deparment is considered as strata and then two prfessors are selected from each strata randomly)
b) Systematic sampling. ( every 10th customer is choosen)
c) Cluster sampling. ( departments are ckusters and 2 dept. are selected randomly)
d) Simple Random Sampling ( each nursing supervisor has an equal chance of being selected)
e) Simple Random Sampling. ( each professor has an equal chance of being selected)
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Classify each sample as Simple Random Samples,
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