Graph one shows a number of observations that all are directly on trend line that moves from the top left of the graph to the bottom right. Graph two has a number of observations that would be tightly packed around, but not directly on, a trend line that runs straight across the graph. Which of the following statement(s) are true?

a) Graph one should have an r-squared value of 1

b) Graph two should have an r-squared value of 1

c) Graph one will have a negative r-squared value

d) Graph two will have an r-squared value of 0.00

e) C and D

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