The following statements relate to different types of data: (i) Secondary data are data collected especially for a specific purpose (ii) Discrete data can take on any value (iii) Qualitative data are data that cannot be measured (iv) Population data are data arising as a result of investigating a group of people or objects Which of the statements are true?
A、(i) and (ii) only
B、(ii) and (iii) only
C、(ii) and (iv) only
D、(iii) and (iv) only
A、(i) and (ii) only
B、(ii) and (iii) only
C、(ii) and (iv) only
D、(iii) and (iv) only
【参考答案及解析】
It is primary data that is collected for a specific purpose so (i) is false. Continuous data can take on any value so (ii) is false. Both (iii) and (iv) are true.
It is primary data that is collected for a specific purpose so (i) is false. Continuous data can take on any value so (ii) is false. Both (iii) and (iv) are true.