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A smart phone manufacturer wants to determine the average battery time that it’s new smart phone will get. The manufacturer will test 100 smart phones. Match the strategy to their corresponding sampling techniques

Sagot :

Tundexi

Answer:

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1. The manufacturer is taking a sample of her friends, which is most convenient to sample - Convenience sampling

2. The whole population is divided into different groups (strata) and random samples are drawn from each group - Stratified sampling

3. The population is divided into different clusters (here, communities) and whole clusters are surveyed - Cluster sampling

4. The samples are drawn at a fixed interval from the population list - Systematic sampling

5. The samples are randomly drawn from the population - Simple random sampling

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