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The following questions use data from the Smiles and Leniency (SL) case study. C

ID: 3150655 • Letter: T

Question

The following questions use data from the Smiles and Leniency (SL) case study. Compare each mean to the neutral mean. Be sure to control for the familywise error rate. Does a "felt smile" lead to more leniency than other types of smiles? (a) Calculate L (the linear combination) using the following contrast weights false: -1, felt: 2, miserable: -1, neutral: 0. (b) Perform a significance test on this value of L. Data is found in excel attachment at bottom of : http://onlinestatbook.com/2/case_studies/leniency.html

Explanation / Answer

a. L = -15.5

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