Chat with AIExam 17: Chi-Square Tests
Exam 1: Science and Statistics17 Questions
Exam 2: Organizing Data, Variables and Measurement13 Questions
Exam 3: Measures of Central Tendency16 Questions
Exam 4: Measures of Variation23 Questions
Exam 5: Standard Scores Z Scores12 Questions
Exam 6: Probability, Hypothesis Testing and Inferential Statistics12 Questions
Exam 7: The Single-Sample Z Test10 Questions
Exam 8: The Single-Sample T Test15 Questions
Exam 9: The T Test for Independent Groups Samples32 Questions
Exam 10: T Test for Correlated Groups Samples18 Questions
Exam 11: Comparing More Than Two Groups19 Questions
Exam 12: One-Way Between-Subjects Analysis of Variance Anova21 Questions
Exam 13: One-Way Repeated Measures Anova16 Questions
Exam 14: Using Designs With More Than One Independent Variable and Two-Way Between-Subjects Anova13 Questions
Exam 15: Correlational Research and Correlation Coefficients22 Questions
Exam 16: Advanced Correlational Techniques: Regression Analysis9 Questions
Exam 17: Chi-Square Tests21 Questions
Exam 18: Tests for Ordinal Data19 Questions
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According to the U.S. Bureau of the Census, 75% of adults regularly drank alcohol in 1985. An investigator predicts that fewer adults drink alcohol now than they did in 1985. A sample of 100 adults is asked about their current drinking habits and 67 reported drinking and 33 reported not drinking.
-What conclusion should be drawn from these results?
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