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Women with localized breast cancer are often given radiation treatment. A study tried to determine if a new treatment with smaller doses and fewer treatments would affect the current recurrence rate. Among the 612 women assigned to the standard treatment, 41 had a recurrence within 10 years. Among the 622 women assigned to the new treatment, 34 had a recurrence within 10 years. Test whether the new treatment would decrease the rate of recurrence using a significance level of a = 0.01.

Women with localized breast cancer are often given radiation treatment. A study tried to determine if a new treatment with smaller doses and fewer treatments would affect the current recurrence rate. Among the 612 women assigned to the standard treatment, 41 had a recurrence within 10 years. Among the 622 women assigned to the new treatment, 34 had a recurrence within 10 years. Test whether the new treatment would decrease the rate of recurrence using a significance level of a = 0.01.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Women with localized breast cancer are often given radiation treatment. A study tried to determine if a new treatment with smaller doses and fewer treatments would affect the current recurrence rate. Among the 612 women assigned to the standard treatment, 41 had a recurrence within 10 years. Among the 622 women assigned to the new treatment, 34 had a recurrence within 10 years. Test whether the new treatment would decrease the rate of recurrence using a significance level of a = 0.01.
Transcribed Image Text:Women with localized breast cancer are often given radiation treatment. A study tried to determine if a new treatment with smaller doses and fewer treatments would affect the current recurrence rate. Among the 612 women assigned to the standard treatment, 41 had a recurrence within 10 years. Among the 622 women assigned to the new treatment, 34 had a recurrence within 10 years. Test whether the new treatment would decrease the rate of recurrence using a significance level of a = 0.01.
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