Answered: What design? Analyze the design of each…

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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What design? Analyze the design of each research
example reported. Is it a sample survey, an observational

study, or an experiment? If a sample, what are the popula-
tion, the parameter of interest, and the sampling procedure?

If an observational study, was it retrospective or prospective?

If an experiment, describe the factors, treatments, randomi-
zation, response variable, and any blocking, matching, or

blinding that may be present. In each, what kind of conclu-
sions can be reached?Older Americans with a college education are significantly
more likely to be emotionally well-off than are people
in this age group with less education. Among those aged
65 and older, 35% scored 90 or above on the Emotional
Health Index, but for those with a college degree, thepercentage rose to 43% (post-graduate degree, 46%). The
results are based on phone interviews conducted between
January 2010 and July 2011. (Source: gallup.com,
August 19, 2011)

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