The following data represent the time between eruptions and the length of eruption for 8 randomly selected geyser eruptions. The coefficient of determination is found to be 78.3%. Interpret this result.
Time, x Length, y Time, x Length, y
12.05 1.80 11.46 1.64
11.73 1.80 11.58 1.67
12.06 1.81 12.19 1.90
12.21 1.88 11.52 1.76
Choose the best interpretation below.
A. 78.3% of the variation in time between eruptions is explained by the least-squares regression equation.
B. 78.3% of the variation in time between eruptions is not explained by the least-squares regression equation.
C. 78.3% of the variation in length of eruption is explained by the least-squares regression equation.
D. 78.3% of the variation in length of eruption is not explained by the least-squares regression equation.
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