Bird Ws

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University of Cincinnati, Main Campus *

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1081

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Statistics

Date

Feb 20, 2024

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pdf

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Uploaded by ElderFireBear39

BIRDD Week 1 Worksheet: Exploring pilot data and developing initial hypotheses During this BIRDD lab module, you will investigate historical data collected on Darwin’s finches from the Galapagos Islands. You will utilized this data to eventually formulate a newproposed research investigation. First though, this worksheet will help guide you through the process of investigating the preliminary data. For example, maybe you want to know 1f Geospiza fortis has variation in a morphological measurement based on the different islands they live on. Eventually, you will conduct an ANOVA to test that research question and can utilize that preliminary analysis to formulate a new research experiment! Before actually conducting the ANOVA (which will be done in Lab 2), today’s lab will focus on the following: (a) Data exploration and hypothesis formulation for three research questions (b) Visualization of data from your chosen hypothesis Data exploration and hypothesis formulation: Use the information provided in the “BIRDD Lab Background Information” page on Canvas to come up with three research questions. Once you have identified your three research questions, practice formulating your hypothesis, null hypothesis, prediction, and draw (or create in Excel) a predicted graph of your hypothetical results. *NOTE: Please refer to the General Scientific Writing Expectations document in Canvas for assistance with formatting™® Preliminary Analysis #1: - Research question (0.5 pt): 50 c \ offech - Hypothesis (0.5 pt): tne neswic oinfoll would e - Null hypothesis (0.5 pt): © AL - Prediction (0.5 pt):1¢ 4, ol - Predicted graph (2 pts): N

- Practice interpreting the results. If your p-value turns out to be 0.0375, what does that mean regarding your null hypothesis? (1 pt) N ©Value fsless thon oF enual¥a O.05, then A\he nutt Nueathesic | Thus.Since the puatse 75 0.03715 (\tss thon 0.25) Youd Meylet i Preliminary Analysis #2 (1 pt for each of the answers below): - Research question (0.5 pt): © an - Hypothesis (0.5 pt): vignec e N W NN 3 - Null hypothesis (0.5 pt): & \ - Prediction (0.5 pt): ©5 e | W - Predicted graph (2 pts): - Practice interpreting the results. If your p-value turns out to be 0.4167, :eln \)l‘ n.‘,:«b\- ‘,fi' N _;\\!5.9/‘-)' ) what does that mean regarding your null hypothesis? (1 pt) P volve 1S qeeoxec Ynan 0.05 the UAL O Ceedt 4he AU\ NUOBLNS cic | ¢ \N‘Ni.is. B W\ Lgreoter Men .06\ You would B.Ceedr e Nt hy Pothe: Preliminary Analysis #3 (1 pt for each of the answers below): - Research question (0.5 pt): © Fall OERCY thet o - Hypothesis (0.5 pt): The toinfal s o E€ech . of - Null hypothesis (0.5 pt): T cointa \ - Prediction (0.5 pt): %o 4ve 12 ¢ A than e beak WL g - Predicted graph (2 pts): - Practice interpreting the results. If your p-value turns out to be 0.0495, what does that mean regarding your null hypothesis? (1 pt) e isless than ot egqual t0 005, +then \J0U NV NYUPYNLSS (uusir T yeeRA: Thus, Sitke ¥R © yalue is A.0uQa ([ 1253 than O Visualization of data from your chosen hypothesis : Within your group, choose your preferred research question to further investigate for the BIRDD module. [ YWD NG VODWINTON VWY {,cvf Y Chosen research question (1 pt): - Use the Excel to make a graph of the means and standard error values. Take a screenshot of the graph and copy/paste it below. Be sure to add a figure caption and label the axes. (2 pts): £+ +he batiom bueasse 1Fweudnt - What controlled variables did your group consider when conducting your ~ o A ,'"AQAAQ‘ preliminary analysis (1 pt)? The bicd species o - Based on your graph of the means and standard error values, how do you expect your statistical results to turn out? Will there be significant variation or not? (1 pt) y A : , Q. W o T | 1 O

/ *NOTE: If you do not suspect there will be significant variation across the three groups that you are comparing, you will have to choose a different research question to focus on.™ Beak Width Measurement of Finches on Isabela Island Beak width fortis fuliginosa heliobates Species

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