Question

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 1

Answer 215+311+354+430=1310

Answer 2

The correct answer is A) 215.

(ik this is late but yeah here you go people. =])