Question

Refer to the previous exercise.
a. The correlation equals -0.890 between x and y, and -0.997 between x and log(y). What does this tell you about which model is more appropriate?
b. The half-life is the time for the weight remaining to be one-half of the original weight. Use the equation  = 80.6(0.813)x to predict the half-life of this organic material.


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  • CreatedSeptember 11, 2015
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