The following table gives the (age-adjusted) death rate per 100,000 women from breast cancer and the daily

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The following table gives the (age-adjusted) death rate per 100,000 women from breast cancer and the daily dietary fat intake (in grams per day) for various countries.
Fat Intake Country Death Rate Japan 41 4 Poland 90 10 Finland 118 13 United States 148 21

(a) Use the method of least squares to obtain the straight line that best fits these data.
(b) In Denmark, women consume an average of 160 grams of fat per day. Use the least-squares line to estimate the breast cancer death rate.
(c) In New Zealand, the breast cancer death rate is 22 women per 100,000. Use the least-squares line to estimate the daily fat intake in New Zealand.

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Finite Mathematics and Its Applications

ISBN: 978-0134768632

12th edition

Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair

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