Four students in ms. alton's class shared the correlation coefficients derived from their data as follows: student a: r = -0.87student b: r = -0.78student c: r = 0.79student d: r = 0.86whose data had the strongest correlation?

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answer: i can’t tell you that

step-by-step explanation:

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.