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D. The following data show the percentage of the votes predicted by a poll survey (X ) for the five presidential candidates in different provinces
D. The following data show the percentage of the votes predicted by a poll survey (X ) for the five presidential candidates in different provinces and the percentage of the votes which they actually received (Y). Is there a significant relationship between poll survey result and the actual votes received by the candidates? (20 points) Actual Poll Survey Votes Candidate Result Received X Y A 25 27 B 35 35 C 20 18 D 15 10 E 15 10 Correlation Table: Verbal Interpretation 0.00 No Correlation + 0.01 to 10.20 Slight Correlation/Negligible relationship 10.21 to $ 0.40 Relationship is present but Low Correlation $0.41 to $ 0.70 Moderate Correlation/ Substantial $0.71 to + 0.80 High Correlation 10.81 to 1 0.99 Very High Correlation +1.0 Perfect Correlation Hypothesis: Ho: Ha: Level of Significance: a = df = Critical/Tabular Value: Decision Rule: At level of significance, accept Ho if Statistic: Computed Value: Decision: Conclusion
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