Question

In Problems 11-22, identify the type of sampling used. A pharmaceutical company wants to conduct a survey of 30 individuals who have high cholesterol. The company has obtained a list from doctors throughout the country of 6600 individuals who are known to have high cholesterol. Design a sampling method to obtain the individuals in the sample. Be sure to support your choice.

Name: Problem 35, Chapter 1: Statistics Informed Decisions Using Data
Uploaded: 2023-01-14T00:29:28-08:00
Channel: James Kiss
Description: In Problems 11-22, identify the type of sampling used. A pharmaceutical company wants to conduct a survey of 30 individuals who have high cholesterol. The company has obtained a list from doctors throughout the country of 6600 individuals who are known to have high cholesterol. Design a sampling method to obtain the individuals in the sample. Be sure to support your choice.

   In Problems 11-22, identify the type of sampling used. A pharmaceutical company wants to conduct a survey of 30 individuals who have high cholesterol. The company has obtained a list from doctors throughout the country of 6600 individuals who are known to have high cholesterol. Design a sampling method to obtain the individuals in the sample. Be sure to support your choice.

Statistics Informed Decisions Using Data

Michael Sullivan III 5th Edition

Chapter 1, Problem 35

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Solved by Expert James Kiss

01/14/2023

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In this case, we are given a list of 6600 individuals who have high cholesterol. We need to select 30 individuals from this list for our survey. Show more…

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In Problems 11-22, identify the type of sampling used. A pharmaceutical company wants to conduct a survey of 30 individuals who have high cholesterol. The company has obtained a list from doctors throughout the country of 6600 individuals who are known to have high cholesterol. Design a sampling method to obtain the individuals in the sample. Be sure to support your choice.

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Key Concepts

Population

The population refers to the entire group of individuals with high cholesterol that the survey intends to examine. It is crucial to clearly define the population to ensure that the selected sample accurately represents the broader group being studied.

Sampling Frame

The sampling frame is the list of 6600 individuals obtained from doctors, which contains all the members of the target population from which the sample will be drawn. It serves as the concrete source for selecting sample members and is essential for implementing a defined sampling procedure.

Simple Random Sampling

Simple random sampling is a method in which every individual in the sampling frame has an equal chance of being selected. By using a random mechanism (such as a computer-generated random list or random number table) to pick 30 individuals from the 6600, the approach minimizes selection bias and increases the likelihood that the sample is representative of the population.

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