W10 Exam #1 Key

W10 Exam #1 Key - EEB 100 Winter 2010 Name:_ Student ID #:_...

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EEB 100 – Winter 2010 Name:_________________________ Student ID #:______________________________ - 1 – There are X total pages in this Exam. Anderson’s honor code I hereby certify that I have neither given nor received any aid on this exam Sign your name here:_____________________________________ Please sign the honor code above. Don’t open your exam until instructed to. Write your name and student number on every page of the test before handing in the test (you will lose 10 points if you don’t!). Answer questions in space provided below each question. Do not write on the back. Only answers on the front side of pages will be graded. NO EXCEPTIONS. If you must cross something out and run out of room to answer the question in the space provided, you must request another blank exam page. Turn off all electronic devices except for a calculator and put them away. They are not to be out on desks or in pockets. If you need to use the restroom, turn in your exam to a TA. Only one student may leave the room at a time. You may not leave the room with any electronic devices. Turn in your notes page with your exam. Good luck & have a great rest of the year! Independent Variable Interval Categorical Interval, parametric Regression/Correlation T-test, Paired t-test, ANOVA, Repeated Measures ANOVA Interval, non- parametric or Ordinal Non-parametric correlation: Spearman’s Correlation Non-parametric ANOVA: Wilcoxon, Kruskal Wallis, Friedman Dependent Variable Categorical Logistic regression Contingency Table Analysis (For example, Chi square, G-test, Fisher exact test)
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EEB 100 – Winter 2010 Name:_________________________ Student ID #:______________________________ - 2 – There are X total pages in this Exam. Multiple choice/True-False/Matching (6 points per question) 1. If the number of local populations increases from 2 to 4, what would be the expected change in probability of regional persistence? Assume all populations have an equal extinction rate of p e = 0.4 . In the choices below, a negative sign indicates that the probability of regional persistence decreases. A positive sign indicates that the probability of regional persistence increases. A. -13% B. + 13% C. +20% D. -37% E. no change in probability of regional persistence 2. To observe the relationship between nutrients and plant growth, the heights of plants were recorded along a gradient of increasing nitrogen. The height of each plant was recorded in centimeters. Nitrogen loading was measured in parts per million (ppm). What statistical analysis should be used? A. Linear regression B. ANOVA C. Logistic regression D. Chi-squared E. No statistical approach is necessary 3. Which statement about Gause’s experiments with Paramecium and Didinum is (are) true? A.
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This note was uploaded on 12/06/2011 for the course EEB 100 taught by Professor Halpin during the Fall '08 term at UCLA.

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W10 Exam #1 Key - EEB 100 Winter 2010 Name:_ Student ID #:_...

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