Mathematics
Mathematics, 10.12.2019 02:31, nahimi

Priya is playing a game where she earns online badges for scoring higher than the mean score on a level. after the tenth level, she scores 3,540 points, which is 2 standard deviations above the mean score of 3,110 points.

what is the standard deviation of scores for the tenth level?

215
311
354
430

answer
Answers: 2
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