Exam 7: Qualitative and Quantitative Sampling

Define the following terms -margin of error

Sam Smith,the CEO of a local TV station,recently conducted a study of TV watchers in his area.He obtained a list of all residential customers from the cable TV company's billing list.He selected customers from the 20 000 households on the billing list by taking every fortieth household.A trained interviewer then visited each household and asked detailed questions about the viewing habits of various family members. What is the sampling frame in Sam Smith's study?

What three basic steps need to be taken when drawing a systematic sample?

According to the central limit theorem used in inferential statistics,

Define the following terms -quota sampling

Sampling error is based on which of the following?

Define the following terms -snowball sampling

How do researchers decide on the size of a sample to use in quantitative research?

Define the following terms -random number table

Define the following terms -sampling error

Define the following terms -sampling element

Professor Mary Mancini studied class level and drinking behaviour at Rocky Mountain University in Red Deer,Alberta.At Rocky Mountain,every student is required to live in one of six 20-story dormitories,and every student has a single room.All dormitory room phone numbers begin with the prefix 747 or 757 (e.g.,phone numbers are 747-0001 to 757-9999).She used the student telephone directory and,after a random start,selected every fifteenth student.She then mailed a questionnaire to the 1000 students selected and had two follow-up postcard reminders.A total of 900 students returned questionnaires.Later,Professor Mancini asked the university registrar's office whether any students were omitted from the directory. What type of sampling did Professor Mancini use?

Define the following terms -inferential statistics

Define the following terms -systematic sampling

Define the following terms -hidden populations

Professor Mary Mancini studied class level and drinking behaviour at Rocky Mountain University in Red Deer,Alberta.At Rocky Mountain,every student is required to live in one of six 20-story dormitories,and every student has a single room.All dormitory room phone numbers begin with the prefix 747 or 757 (e.g.,phone numbers are 747-0001 to 757-9999).She used the student telephone directory and,after a random start,selected every fifteenth student.She then mailed a questionnaire to the 1000 students selected and had two follow-up postcard reminders.A total of 900 students returned questionnaires.Later,Professor Mancini asked the university registrar's office whether any students were omitted from the directory. What is Mary Mancini's sampling frame?

Define the following terms -sampling frame

Professor Mary Mancini studied class level and drinking behaviour at Rocky Mountain University in Red Deer,Alberta.At Rocky Mountain,every student is required to live in one of six 20-story dormitories,and every student has a single room.All dormitory room phone numbers begin with the prefix 747 or 757 (e.g.,phone numbers are 747-0001 to 757-9999).She used the student telephone directory and,after a random start,selected every fifteenth student.She then mailed a questionnaire to the 1000 students selected and had two follow-up postcard reminders.A total of 900 students returned questionnaires.Later,Professor Mancini asked the university registrar's office whether any students were omitted from the directory. About how many students are listed in the Rocky Mountain University student telephone directory?

Define the following terms -target population

Define the following terms -sampling interval