8-2 Estimating Populations Size. Finding mean, median, and mode(s)Finding mean, median, and mode(s) (8-2 GPS) Choosing the best measure of central tendencyChoosing.

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Presentation transcript:

8-2 Estimating Populations Size

Finding mean, median, and mode(s)Finding mean, median, and mode(s) (8-2 GPS) Choosing the best measure of central tendencyChoosing the best measure of central tendency (8-2 GPS) Finding mean with and without outliersFinding mean with and without outliers (8-2 GPS) Making a line plotMaking a line plot (8-2 GPS) Choosing the best measure of central tendencyChoosing the best measure of central tendency (8-2 GPS) Making a line plotMaking a line plot (8-2 GPS) Choosing the best measure of central tendencyChoosing the best measure of central tendency (8-2 GPS) Making a line plotMaking a line plot (8-2 GPS) Video Tutor Help

Identifying appropriate samples of a population Identifying bias in questions Estimating populations using capture/recapture

Worksheets Daily Notetaking Guide Worksheets Version A Practice, Guided Problem Solving Lesson 8-2 Practice 8-2 Guided Problem Solving 8-2

Vocabulary Practice Vocabulary 8A: Graphic Organizer Vocabulary 8B: Reading Comprehension Vocabulary 8C: Reading/Writing Math Symbols Vocabulary 8D: Visual Vocabulary Practice Vocabulary 8E: Vocabulary C Vocabulary 8F: Vocabulary Review Puzzle Vocabulary (Electronic) Flash Cards Measurement

Additional Lesson Examples Step-by-Step Examples Lesson 8-2

Lesson Readiness Lesson Quiz Problem of the Day Lesson 8-2

There are 30 marked seals. In a survey, you count 58 seals, 16 of which were marked. About how many seals are in the area? LESSON x = 30 58Write cross products. 16x = 1,740Multiply. x = 1, Use a calculator. x 109Round to the nearest integer. There are about 109 seals in the area. Use the capture/recapture method. = number of marked seals counted total number of seals counted total number of marked seals estimate of seal population =Write a proportion. 30 x Estimating Population Size 16x 16 1, Divide each side by 16. = Additional Examples