Answered: the following: An observational study…

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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An observational study differs from an experiment in that the random assign ment of treatments (i.e. agents, programs, procedures) to units is absent. As has been pointed out by many writers since Fisher (1925), this randomization is a powerful tool

in that many systematic sources of bias are made random. If randomization is absent,

it is virtually impossible in many practical circumstances to be convinced that the estimates of the effects of treatments are in fact unbiased. This follows because

other variables that affect the dependent variable besides the treatment may be differently distributed across treatment groups, and thus any estimate of the treatment

is confounded by these extraneous ^-variables.

Make a list of all statistical terms in the paragraph that you recognize from your Chapter 1 Readings in the Week 1 - Introduction to StatisticsModule.
Using your knowledge of the definitions of the terms that you listed above, re-write the paragraph in a way that is easier for YOU to understand.

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