Data collection
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- Who would you survey in each of the following situation? Identify if you would use the population or a sample. Explain.
- The government wants to know how many hours high school students exercise each week.
- An online department store wants to know how often parents shop online for their children.
- A teacher wants to know if his homeroom students want a year-end party.
- A computer company wants to know how their customers rate their customer service.
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Topic Notes
When you need to conduct a survey in order to collect data, who would you ask for the data? In what situations will you be surveying the whole population or picking a sample? If you are going to pick a sample, you still need to decide the details of sampling. You may choose from, for instance, stratified sampling, convenience sampling and voluntary response sampling.
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