Question

A college administrator wants to survey 250 students that attend her college to see if students are satisfied with the course offerings. Match the strategies to their corresponding sampling techniques.

a. 12345 The administrator gets the complete list of students at the college and then uses a computer to randomly select 250 students. She then surveys these 250 students.
b. -12345 The administrator gets the complete list of students at the college and surveys every 50th students on the list.
c. -12345The administrator researches the ethnic make-up of the college and makes sure that the proportion of each ethnic group represented in the sample is the same as the corresponding proportion of that ethnic group at the college.
d. -12345 The administrator goes into 9 classes from many subject areas and asks all the students in each of these 9 classes.
e. -12345 The administrator stands by the front door of the admissions department and asks the first 250 students who walk in.

1. Stratified Sampling
2. Systematic Sampling
3. Simple Random Sampling
4. Cluster Sampling
5. Convenience Sampling

Answer 1

Answer:

A3 b2 c1 d4 e5 that's the answer

Answer 2

Using sampling techniques, the matched pairs are:

• a - 3
• b - 2
• c - 1
• d - 4
• e - 5

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Samples techniques are:

• Convenient: The easiest way to sample, according to convenience, for example, all people at a place.
• Random: A number of options from a set of all, taken randomly.
• Systematic: One option is sampled from every k elements.
• Cluster: Division into groups, and all elements of each group are surveyed.
• Stratified: Division into groups, and a proportion of each group is surveyed.

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Item a:

• Students are randomly chosen, thus, simple random sampling.
• a matches 3.

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Item b:

• Every kth, in this case, every 50th student, thus, systematic sampling.
• b matches 2.

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Item c:

• Divided into groups, a proportion of each group is sampled. Thus, stratified sampling.
• c matches 1.

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Item d:

• Divided into groups(classes), all elements of each group is sampled, thus, cluster sampling.
• d matches 4.

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Item e:

• Number of people at a place, thus, convenience sampling.
• e matches 5.

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