Collecting and Interpreting Data Question
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Grade 6 Collecting and Interpreting Data CCSS: 6.SP.A.1
In order to determine what type of pizza 6th graders in Coffee Count Middle School prefer, John Doe is conducting a survey of 6th graders at his school. He has given a survey to all of his friends who happen to be in his homeroom. Why might the results of John Doe's survey be biased?
- He didn't expand his results to include all grades at his school.
- He only gave the survey to his friends, not a random sample of 6th graders.
- He only asked about two different kinds of pizza.
- He didn't survey students from 8th grade.