Identify the type of sampling. 1. The QA department of a pharmaceutical company selects every 500th pill to test and confirm its contents. 2. Gallup survey 500 randomly selected men and 500 randomly selected women to study the gender difference in the way of online shopping. 3. A pollster stops each person passing her office door and asks the person to rate the last movie that he or she saw on a scale of 1 to 5 stars.

Identify the type of sampling. 1. The QA department of a pharmaceutical company selects every 500th pill to test and confirm its contents. 2. Gallup survey 500 randomly selected men and 500 randomly selected women to study the gender difference in the way of online shopping. 3. A pollster stops each person passing her office door and asks the person to rate the last movie that he or she saw on a scale of 1 to 5 stars.

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Description: Identify the type of sampling.1. The QA department of a pharmaceutical company selects every 500thpill to test and confirm its contents.2. Gallup survey 500 randomly selected men and 500 randomly selectedwomen to study the gender difference in the w

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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Concept explainers

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.

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Question

Identify the type of sampling.
1. The QA department of a pharmaceutical company selects every 500th
pill to test and confirm its contents.
2. Gallup survey 500 randomly selected men and 500 randomly selected
women to study the gender difference in the way of online shopping.
3. A pollster stops each person passing her office door and asks the
person to rate the last movie that he or she saw on a scale of 1 to 5
stars.

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