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Please read the following prompt, analyze the following graph, and complete questions 8.a and 8.b

Please read the following prompt, analyze the following graph, and complete questions 8.a and 8.b

MATLAB: An Introduction with Applications
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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Please read the following prompt, analyze the following graph, and complete questions 8.a and 8.b

Consider the following scenarios and determine which type of bias would be the main issue based on the situation as described. Question 8 Subquestions 8.a Over the course of a day, a random sample of drivers were approached as they exited their cars at a mall parking lot by an interviewer (who provided credentials and details of the study). Each driver was asked a number of transportation questions, one of which was whether or not they regularly wear seat belts when they drive. Seventy-five percent of the sampled drivers said they always wore seat belts when they drive. Upon reviewing the camera footage recorded in the parking lot, it was found that only 61.5% of these sampled drivers were actually wearing seat belts when they pulled into the mall parking lot. Based on the situation as described, the type of bias that would be the main issue for this study is: nonresponse bias response bias selection bias
Transcribed Image Text:Consider the following scenarios and determine which type of bias would be the main issue based on the situation as described. Question 8 Subquestions 8.a Over the course of a day, a random sample of drivers were approached as they exited their cars at a mall parking lot by an interviewer (who provided credentials and details of the study). Each driver was asked a number of transportation questions, one of which was whether or not they regularly wear seat belts when they drive. Seventy-five percent of the sampled drivers said they always wore seat belts when they drive. Upon reviewing the camera footage recorded in the parking lot, it was found that only 61.5% of these sampled drivers were actually wearing seat belts when they pulled into the mall parking lot. Based on the situation as described, the type of bias that would be the main issue for this study is: nonresponse bias response bias selection bias
8.b Researchers were interested in the percentage of all adults over 65 who use text messaging on their cell phones. The researchers conducted a study where they called the landline telephones for a random sample of adults over 65 and found that only 12% of the respondents stated they use text messaging on their cell phones. We expect that this percentage is low. Based on the situation as described, the type of bias that would be the main issue for this study is: nonresponse bias response bias selection bias
Transcribed Image Text:8.b Researchers were interested in the percentage of all adults over 65 who use text messaging on their cell phones. The researchers conducted a study where they called the landline telephones for a random sample of adults over 65 and found that only 12% of the respondents stated they use text messaging on their cell phones. We expect that this percentage is low. Based on the situation as described, the type of bias that would be the main issue for this study is: nonresponse bias response bias selection bias
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