SPCM3700 HW3

# SPCM3700 HW3 - COMM 3700 Homework 3 Sampling 1 Kyle is...

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COMM 3700 Homework 3: Sampling 9/20/2011 1. Kyle is interested in individuals’ preference of breakfast cereal. He stops every third person walking to school and asks them what their favorite cereal is . This example refers to non-probability sampling. To make it a probability sampling, Kyle could assign every student in his classroom a letter of the alphabet and pick 20 numbers out of a hat to determine students’ preference of breakfast cereal in his class. 2. Alicia wants to know how long it takes for University of Georgia students to graduate. She examines the transcripts of all UGA graduates for the past five years. This example is a non-probability sampling. To make it a probability sampling, Alicia could enter the date into a computer to generate information. 3. Ellen wants to determine her teaching effectiveness. She assigns a number to each of her 35 students, and then selects ten numbers out of a hat—the students with these ten numbers are selected to be in her study. This example is a probability sampling.

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## This note was uploaded on 09/27/2011 for the course SPCM 3700 taught by Professor Samp during the Fall '08 term at UGA.

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SPCM3700 HW3 - COMM 3700 Homework 3 Sampling 1 Kyle is...

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