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Results Treatment Group Control Group Average SAT score (X) 1348 1395 Standard deviation of SAT score (Sx) 87.3 82.1 Number of men 60 40 Number of women 40

Results Treatment Group Control Group Average SAT score (X) 1348 1395 Standard deviation of SAT score (Sx) 87.3 82.1 Number of men 60 40 Number of women 40

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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Suppose in a randomized controlled experiment of the effect of a SAT
preparatory course on SAT scores, the attachment includes results are reported:

a. Estimate the average treatment effect on test scores.
b. Is there evidence of nonrandom assignment? Explain.

Results Treatment Group Control Group Average SAT score (X) 1348 1395 Standard deviation of SAT score (Sx) 87.3 82.1 Number of men 60 40 Number of women 40
Transcribed Image Text:Results Treatment Group Control Group Average SAT score (X) 1348 1395 Standard deviation of SAT score (Sx) 87.3 82.1 Number of men 60 40 Number of women 40
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