Mathematics, 22.09.2020 21:01 quanharris2k19

Leonard runs a study using a sample of 20 participants. Those 20 participants score an average of 8.5 points on the auditory task administered. However, Leonard realizes later that he made a mistake when recording one participant’s score. Therefore, he changes that score from X=6 to X=9. What is the new mean of Leonard’s sample?

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Leonard runs a study using a sample of 20 participants. Those 20 participants score an average of 8....