Estimating+Populations+Lesson+Plan

3-1-2010 TA: A .Lackey
 * __Estimating Populations. Lab 2__**

Prior to class: - Pass back graded Functional Response in-class exercises - As students come in, ask 4-6 to wear rubber bands

Today we will:
 * 1) Objectives & Activities**
 * Become familiar with methods of random sampling
 * Apply sampling methods to estimate patterns of dispersion
 * Understand the importance of sample size and replication and how it can affect results


 * 2) Overview of estimating populations (5 min)**
 * Use PPT


 * 3) Sample Populations in Sanford Woodlot (60 min)**
 * bring compass, 30-meter tape and 4 wire flags per group
 * 10 min to & from
 * 40 min measuring

N = (nM)/r
 * 4) Mark-recapture (10 min)**
 * Discuss M-R using PPT
 * 4-6 students were marked
 * Now I’ll take another sample to recapture them
 * if your birthday is between January and April, please raise your hand
 * I count total # of students with hands raised and then # of those with bands
 * how could I improve this estimate?


 * 5) Data Analysis (30 min)**
 * Students calculate estimations in a hectare
 * Students calculate descriptive stats from own data
 * While students are working on this, pass out sheet for them to record plant-to-point data
 * I will then post student data on screen, they enter it in excel and do calcs
 * When students are finished with worksheets, review value of A and stat & biol conclusions


 * 6) Quiz (15 min)**
 * when students finish, they fill out 1/3 sheet with Qs about group work


 * 7) Discussion of group projects (remaining time)**
 * go over class issues
 * talk with each group
 * sign out any materials
 * next week = no class = spring break!