of 1,000,000 potential customers. Your marketing department has segmented/stratified this market as follows: 400,000 are college graduates. 100,000 have graduate degrees. 300,000 have some college credits. 200,000 have high school diplomas. Your company wants to take a proportional stratified probability sample to assess the percentage of people who will favor a certain issue. You have no idea what this percentage might actually be. Furthermore, you want to measure this percentage with 95% confidence and a margin of error of 7%. Answer the following: How many total samples should be selected? What should be the consideration in deciding to select a stratified
of 1,000,000 potential customers. Your marketing department has segmented/stratified this market as follows: 400,000 are college graduates. 100,000 have graduate degrees. 300,000 have some college credits. 200,000 have high school diplomas. Your company wants to take a proportional stratified probability sample to assess the percentage of people who will favor a certain issue. You have no idea what this percentage might actually be. Furthermore, you want to measure this percentage with 95% confidence and a margin of error of 7%. Answer the following: How many total samples should be selected? What should be the consideration in deciding to select a stratified
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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- Your population is comprised of 1,000,000 potential customers. Your marketing department has segmented/stratified this market as follows:
- 400,000 are college graduates.
- 100,000 have graduate degrees.
- 300,000 have some college credits.
- 200,000 have high school diplomas.
Your company wants to take a proportional stratified probability sample to assess the percentage of people who will favor a certain issue. You have no idea what this percentage might actually be. Furthermore, you want to measure this percentage with 95% confidence and a margin of error of 7%. Answer the following:
- How many total samples should be selected?
- What should be the consideration in deciding to select a stratified
sample?
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