Question

Decide which sampling method is being used.

-       a.       b.       c.       d.       e.	Thirty-five athletes, 18 men and 17 women, are randomly selected from 243 male athletes and 187 female athletes.
-       a.       b.       c.       d.       e.	Every third dog at the clinic is checked for ticks.
-       a.       b.       c.       d.       e.	A researcher randomly selects an interviews fifty male and fifty female students.
-       a.       b.       c.       d.       e.	Based on 4000 responses from 22,500 questionnaires sent to its alumni, a major university estimated that the annual salary of its alumni was $103,000/year.
-       a.       b.       c.       d.       e.	A community college student gathers data on the age, make and model of cars in the student lot at the college.
-       a.       b.       c.       d.       e.	To ensure customer satisfaction, every 5th phone call received by customer service will be monitored.
-       a.       b.       c.       d.       e.	The names of 50 students in the union are written on 50 cards. The cards are placed in a bag, and 3 names are picked from the bag.
-       a.       b.       c.       d.       e.	A researcher for a publisher randomly selects 30 of the Omaha area schools and interviews all of the teachers at each of those schools.

a.	Systematic
b.	Simple Random Sample (SRS)
c.	Stratified
d.	Cluster
e.	Convenience

Answer 1

Thirty-five athletes, 18 men and 17 women, are randomly selected from 243 male athletes and 187 female athletes. Stratified

Every third dog at the clinic is checked for ticks. Systematic

A researcher randomly selects an interviews fifty male and fifty female students. Cluster

A community college student gathers data on the age, make and model of cars in the student lot at the college. Convenience

Based on 4000 responses from 22,500 questionnaires sent to its alumni, a major university estimated that the annual salary of its alumni was $103,000/year. Convenience

To ensure customer satisfaction, every 5th phone call received by customer service will be monitored. Systematic

The names of 50 students in the union are written on 50 cards. The cards are placed in a bag, and 3 names are picked from the bag. SRS

A researcher for a publisher randomly selects 30 of the Omaha area schools and interviews all of the teachers at each of those schools. Cluster