Question: Attractiveness Rating Sample Size Mean Standard Deviation Self 20 7.450 1.395 Societal 20 6.384 1.349 Diff = Self - Societal 20 1.066 1.507 The average

Attractiveness Rating Sample Size Mean Standard Deviation Self 20 7.450 1.395 Societal 20 6.384 1.349 Diff = Self - Societal 20 1.066 1.507 The average difference in attractiveness ratings (self - societal) in the sample was 1.066 with a standard deviation of 1.507. Calculate the standard error of the sample mean difference in attractiveness ratings (self - societal). 1.507 1.066 3.163 0.337

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