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Correlation Analysis of English Proficiency in Vallejo Schools

This study examines English proficiency averages across all schools in Vallejo, conducted by Ronnel F. Joshua and C. Floyd A. The research involved comparing the number of students with their English proficiency test percentages. Our initial hypothesis predicted no correlation due to the data's volume. The results confirmed our prediction, yielding a correlation coefficient (R) of 0.197, indicating no linear relationship. We suspect potential inaccuracies in our data calculations for sigma x and y, as we only double-checked the correlation coefficient.

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Correlation Analysis of English Proficiency in Vallejo Schools

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  1. ENGLISH PROFICIENCY AVG IN ALL VALLEJO SCHOOLS By: Ronnel F Joshua C Floyd A

  2. Procedure • We chose the # of students in all schools and compared/related the data with their English proficiency test percentage. • We predicted that the graph would have no correlation since there are so many points to graph.

  3. 03 - 04

  4. 04 - 05

  5. 03-04 & 04-05 (added together)

  6. R = ?

  7. Conclusion • The graph came out as we thought with no linear correlation. • Our “R” is .197, closest to 0, meaning there is no correlation and no line. • We believe that maybe our numbers for sigma x and/or y are incorrect since we didn’t double check it. We only double checked the finding of “R”

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