{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

BISC HW#1-chi and t-test

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

This preview shows pages 1–3. Sign up to view the full content.

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

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Therefore we accept the null hypothesis, which is that there is no relationship between
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 3

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

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online