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March 28, 2017

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For a class of 43 students, for a certain test, the mean grade is 67 and the standard deviation is 7.

a) how many students should receive a C?
b) how many students should receive a B?
c) what score would be necessary to obtain an A?

  • math - ,

    Nuts to this. Critieria for A, B, C is not something that is agreed to . Do you have some criteria for A, B, and C?

  • math - ,

    sorry that's all the question says. My teacher is weird she gives questions that say nothing and expects us to no what they mean.

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