The Algebra I Class Mean and Standard Deviation Are 80

The Algebra I class mean and standard deviation are 80 and 10,respectively.The Biology II class mean and standard deviation are 79 and 4,respectively.Kristen scored 90 in Algebra I and 87 in Biology II.The most valid conclusion to be drawn from these data is that Kristen

A) scored better relative to her class in Algebra I than in Biology II.
B) scored better relative to her class in Biology II than in Algebra I.
C) should earn an A in Algebra I and a B in Biology II.
D) would be served better by criterion-referenced grading than by norm-referenced grading in both courses.