1. You are trying to determine the average age of students at Cuyamaca College. The average age of 50 randomly selected Cuyamaca College students is 20. 20 is the best
a) Poulation
b) Sample
c) Parameter
d) Statistic
2. The general manager of a luxury hotel decides the quality of housekeeping by inspecting 15 rooms. consider that the hotel offers economy and business-class roomsas well as suites. Slect the best method of sampling 15 rooms from the choices belwo:
a) Take a simple radom sample of 15 rooms from all rooms at hotel.
b) Randomly select one flloor from the hotel and check the first 15 rooms
c) stratify according to type of room and randomly select 5 rooms from each to inspect
d) Ther are 15 suites, so select and inspect each
3. All twenty-three birdwatchers at a randomly selected national park were asked if they saw any bluebirds. What sampling methods was used?
a) simple Random sample
b) Stratified Sample
c) Cluster Sample
d) Convenience Sample