1.The correct answers are ：C and D
Data collected by a bank in a telephone survey to monitor the effectiveness of the bank's customer services and Focus group feedback about potential flavours of a new biscuit.
Data collected by a survey or focus group for a particular project are primary data sources.
Historical records of transport costs were not collected specifically for the preparation of forecasts, therefore these are secondary data.
The Annual Abstract of Statistics is a source of secondary external data.
2.The correct answers are ：C and D
Qualitative data are data that cannot be measured and Population data are data arising as a result of investigating a group of people or objects.
It is primary data that is collected for a specific purpose not secondary data.
Continuous data(rather than discrete data) can take on any value. Quantitative data can be measured, whereas qualitative data cannot be measured because it is subjective.
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