ericabayleigh
ericabayleigh ericabayleigh
  • 19-10-2022
  • Mathematics
contestada

Two classes, each with 100 students, took an examination with a maximum possible score of 100. In the first class, the mean score was 75, and the standard deviation was 5. In the second class, the mean score was 60, and the standard deviation was 20. Which of the two classes do you think had more scores of 90 or better? Why?

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