MRS300T - Chapter 10 (Designing the sample plan)

Develop a sampling plan for Blue Connect by indicating the sample unit.

• File record: 800 customers’ names & landline telephone numbers

• Household purchase decision makers such as parents

• City of Tshwane, Gauteng, South Africa.

• 100 customers to be interviewed

Develop a sampling plan for Blue Connect by indicating the sample element.

• File record: 800 customers’ names & landline telephone numbers

• Household purchase decision makers such as parents

• City of Tshwane, Gauteng, South Africa.

• 100 customers to be interviewed

Develop a sampling plan for Blue Connect by indicating the extent of the population.

• File record: 800 customers’ names & landline telephone numbers

• Household purchase decision makers such as parents

• City of Tshwane, Gauteng, South Africa.

• 100 customers to be interviewed

Develop a sampling plan for Blue Connect by indicating the sample size of the population.

• File record: 800 customers’ names & landline telephone numbers

• Household purchase decision makers such as parents

• City of Tshwane, Gauteng, South Africa.

• 100 customers to be interviewed

Develop a sampling plan for Blue Connect by selecting the sampling method that should be followed.

• Probability method

• Non-probability method

Develop a sampling plan for Blue Connect by selecting the sampling method that should be followed.

• Simple-random / systematic sampling

• Cluster / stratified sampling

• Convenience sampling

• Snowball sampling

Develop a sampling plan for Blue Connect by selecting the data collection method that will be followed.

• Telephone surveys

• Personal interviews

• Mail surveys

• Web-based surveys

Provide a practical suggestion to eliminate data collection error: selected respondent does not answer / pick up a survey phone call.

Blue Connect has hired you, as a new researcher for this project. A file record that contains 800 customers’ names and landline telephone numbers was provided. During a briefing session, the company instructed you to interview only 100 customers.

Use a systematic sampling method to select the first three (3) respondents. The starting value within the sample interval is number 12 in the list.

• Respondent 12 on the list, followed by 20, followed by 28

• Respondent 12 on the list, followed by 112, followed by 212

• Respondent 12 on the list, followed by 112, followed by 800

Blue Connect has hired you, as a new researcher for this project. A file record that contains 800 customers’ names and landline telephone numbers was provided. During a briefing session, the company instructed you to interview only 100 customers.

Use a simple random sampling method to select the first (3) respondents. Refer to the table below for a list of random numbers. Starting point: first digit in the second row.

Row

Random

numbers

1

223680 465130 250950 050632 620995

2

241302 483903 122027 597265 676393

3

737570 839975 981837 116656 206121

• Respondent 241 on the list, followed by 302, followed by 483

• Respondent 24 on the list, followed by 12, followed by 02

• Respondent 241 on the list, followed by 903, followed by 839