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Section 1.4

Critical Thinking_Probability & Statistics - Math 1530

Bad Graphs
Voluntary Response Samples Self-Selected Sample One in which the respondents themselves decided whether to be included.
Correlation & Causality Concluding that one variable causes the other variable due to the fact the variables are linked.
Small Samples Conclusions should not be based on samples that are far too small. Ex: basing a school suspension rate on a sample of only 3 students
Misuses of Percentages If you take 100% of a quantity, you take it all.
Loaded Questions "Loaded" or intentionally worded to elicit a desired response.
Missing Data Can dramatically affect results.
Self-Interest Studies Parties with interest to promote will sponsor studies.
Created by: hfanch24