A randomized study was performed to determine whether a diet of processed meats causes a higher proportion of incidents of breast cancer. Researchers compared high intake versus low intake diets of processed meats for women with breast cancer and found the following results shown in the two-way table below:       Breast Cancer No Breast Cancer Total High Intake processed meat 93 157 250 Low Intake processed meat 67 163 230

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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  1.  A randomized study was performed to determine whether a diet of processed meats causes a higher proportion of incidents of breast cancer. Researchers compared high intake versus low intake diets of processed meats for women with breast cancer and found the following results shown in the two-way table below:

 

 

 

Breast Cancer

No Breast Cancer

Total

High Intake processed meat

93

157

250

Low Intake processed meat

67

163

230




  1. Conduct a hypothesis test for this problem, using for the proportion with a diet high in processed meat who got breast cancer and for the proportion of women with a diet low in processed meat who got breast cancer
  2. State the hypotheses.

The test is to check the compare the proportion with a diet high in processed meat who got breast cancer and for the proportion of women with a diet low in processed meat who got breast cancer

 

 

  1. State sample statistic. Answered
  1. Find the p-value.Answered

 

 

 

  1. Write a generic conclusion.

 

 

  • Write a conclusion in context.

 

  1. If we compute a randomization statistic and assume the null hypothesis is true, what does that mean in the context of this problem?

 

 

2. Where would the randomization distribution be centered for a hypothesis test for this problem? Where would a bootstrap distribution be centered for a confidence interval for this problem?

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