Collecting and Interpreting Data Question
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Grade 7 Collecting and Interpreting Data CCSS: 7.SP.A.1
A team of scientists is trying to find out what percentage of people in the United States have a little known medical condition. Which of the following sample groups is likely to be biased?
- A simple random sample of 2,000 subjects
- A convenience sample of 2,000 subjects
- A stratified random sample of 1,500 subjects
- A systematic random sample of 3,000 subjects