9. to assess the opinions of canadians regard...

9. to assess the opinions of canadians regarding the team that will win the stanley cup, researchers conducted telephone surveys of 10 000 people randomly selected from the edmonton telephone book. what is the population about which information is sought and is the survey using a random sample? a. all canadians and yes. b. all canadians and no. c. all edmontonians and yes. d. all edmontonians and no. 10. linda and matt each survey 20 people about the carving in front of the post office. linda was in a mall entrance and matt was in the entrance to the fine arts centre. when they compared their results, the responses were very different. what influencing factor(s) may have caused the difference? a. cost b. time c. use of language d. privacy 11. an eco - tourism company is researching how to expand its tours. they divide the western provinces into eight areas. then, they survey 10% of the population in area. which sampling method is this? a. convenience sampling b. stratified sampling c. systematic/interval sampling d. self - selected sampling.

Answer

# Brief Explanations: ## Question 9: The researchers want opinions of all Canadians, but sampling from Edmonton telephone - book is not a random sample of all Canadians as Edmontonians are just a subset of Canadians. ## Question 10: Linda and Matt surveyed in different locations (mall entrance and fine - arts centre entrance), which means different times and different types of people, so time is a likely influencing factor. ## Question 11: Dividing the population into areas (strata) and then sampling a proportion from each area is stratified sampling. # Answer: 9. b. All Canadians and no. 10. b. Time 11. b. Stratified Sampling