lab 1 SCI 207 - Dependent and Independent Variables 1...

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Dependent and Independent Variables 1 Dependant and Independent Variables Sheri Brown SCI 207 Jeff Kingsbury January 8, 2010
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Dependent and Independent Variables 2 Describe the effects of the ECB infestations you used. Were all corn varieties equally effective at controlling the ECB? No. Some corn where more effective than others. How do you know? I used one corn type for both chambers. Each time the Low ECB produced better corn, but the BT 123 was not effected as much as the BT 456 or the Golden Crop. The Golden Crop did twice as well as the BT 456 and Superharvest. I figured this out by looking at the averages. Ex 1 – used GOLDEN CROP IN BOTH Low ECB Ear 1- 177.9, Ear 2- 171.2, Ear 3- 170.6 AVERAGE= 173.23 High ECB Ear1- 135.4, Ear 2- 139.6, Ear 3- 138.3 AVERAGE= 137.76 _____________________________________________ Ex 2 – Used both BT 123 Low ECB 1- 164.0, 2- 162.6, 3- 168.3 AVERAGE= 164.96 High ECB 1- 155.1, 2- 163.0, 3- 163.9 AVERAGE= 160.66 EX 3 Used Both BT 456 Low ECB 1- 178.8, 2- 172.6, 3- 179.6 AVERAGE= 177
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lab 1 SCI 207 - Dependent and Independent Variables 1...

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