BISC HW#1-chi and t-test

BISC HW#1-chi and t-test - Yontii Wheeler Homework Question...

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Yontii Wheeler Biology 12 Professor Doebel 1.31.10 Homework Question 1: Chi Square Test Rock Park Elementary: Control Expected 2008-2009 Experimental Observed 2009-2010 (O-E) (O-E)^2 (O-E)^2/2 1 1.5 0.5 0.25 0.25 5 3.1 -1.9 3.61 0.72 .5 2 1.5 2.25 4.5 4.5 4.5 0 0 0 2 4 2 4 2 4 2.7 -1.3 1.69 0.42 3.1 3.3 0.2 0.04 0.01 4.7 2.9 -1.8 3.24 0.69 Σ =8.59=X^2 Calculated Value = 8.59 Degree of Freedom=7 P-Value=0.05 Tabulated Value=14.07 In conclusion, because the Tabulated Value is more than the Calculated Value, we can fail to reject the null hypothesis or accept the null. Therefore, redrawing the lines for the school district had no effect on the district students from Rock Park Elementary traveled to school. Stony Creek Elementary: Control Expected 2008-2009 Experimental Observed 2009-2010 (O-E) (O-E)^2 (O-E)^2/E 3 5 2 4 1.33 4 5.8 1.8 3.24 0.81 2 6.4 4.4 19.36 9.36 3.5 5.5 2 4 1.14 8.5 5.6 -2.9 8.41 0.99 8 6.5 -1.5 2.25 0.28 10 6.2 -3.8 14.44 1.44 9 7 -2 4 0.44 Σ =15.79=X^2 Calculated Value=15.79 Tabulated Value=14.07 Degree of Freedom=7 P-Value=0.05
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BISC HW#1-chi and t-test - Yontii Wheeler Homework Question...

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