Statistics2 ppt

Determining RCHS Superiority in AP Test Scores Katherine Hobbs Elle Law

RCHS students often do better than students in the state/nation… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Did RCHS students score higher on the AP Calculus AB exam than other students in the nation in 2009? ,[object Object]

[object Object],Did RCHS students score higher on the AP Calculus AB exam than other students in the nation in 2009? Total: 47 students 0 1 0 2 7 3 7 4 33 5 # of Students at Raleigh Charter Score on AP Calculus AB 1.50 Standard Deviation 2.99 Mean Grade 59.5 137,265 3 or Higher / % 230,588 # of Students Total 24.9 57,480 1 15.5 35,843 2 17.9 41,204 3 18.7 43,140 4 23.0 52,921 5 % at # of students nationwide Score on AP Calculus AB

[object Object],[object Object],Did RCHS students score higher on the AP Calculus AB exam than other students in the nation in 2009? ,[object Object]

[object Object],[object Object],[object Object],[object Object],Did RCHS students score higher on the AP Calculus AB exam than other students in the nation in 2009? ,[object Object],<---- no cheating!

[object Object],[object Object],[object Object],Did RCHS students score higher on the AP Calculus AB exam than other students in the nation in 2009?

Chi-squared goodness-of-fit test = 65.140 for all 5 scores P = P (χ 2 > 65.140) = 2.405 * 10 -13

Conclusion: ,[object Object],In a parallel universe where correlation = causation , this would mean Mr. Wajima/Felder are superior teachers.

[object Object],Did RCHS students score higher on the AP English and Language exam than other students in the nation in 2009?

[object Object],Did RCHS students score higher on the AP English Language exam than other students in the nation in 2009? Total: 69 students 0 1 1 2 11 3 22 4 35 5 # of Students at Raleigh Charter Score on AP English Language 1.16 Standard Deviation 2.88 Mean Grade 59.7 201,446 3 or Higher / % 337,441 # of students 11.9 40,256 1 28.4 95,739 2 30.2 101,995 3 19.0 64,138 4 10.5 35,313 5 % at # of students nationwide Score on AP English Language

[object Object],[object Object],Did RCHS students score higher on the AP English and Language exam than other students in the nation in 2009? ,[object Object]

Did RCHS students score higher on the AP English and Language exam than other students in the nation in 2009?

Question 2: Did RCHS students score better in the AP English Language or AP Calculus AB exam in 2009?

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