Refer to the previous exercise. a. The correlation equals -0.890 between x and y, and -0.997 between
Question:
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.
Transcribed Image Text:
0 75.0 1 60.9 2 51.8 3 45.2 4 34.7 5 34.6 6 26.2 7 20.4 8 14.0 9 12.3 11 8.2 15 3.1 20 1.4
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a The exponential model is more appropriate because the log of y ...View the full answer
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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