Answered: In an interesting series of tests by…

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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In an interesting series of tests by Wilson et. al. in Science 2014, participants were asked to sit alone with their thoughts for 15 minutes. Participants were able to have either no stimulation during this period or negative stimulation in the form of self-administered electric shock. The 18 men in the sample elected to shock themselves an average of 1.47 times with standard deviation 1.46 (not including one outlier who chocked himself 190 times). The 24 women in the study shocked themselves an average of 1 time with standard deviation 2.32 times. It is interesting to note that these participants all said they would pay not to receive the shock in an earlier portion of the study! Is there significant evidence that men have a harder time sitting alone with their thoughts (i.e. administered more shocks) than women?

State the hypotheses for the test.
Calculate the test statistic.
Find and interpret the p-value.

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