Use the following information for parts (a) – (c): The 2 x 2 table below displays the results of a cross-sectional study that investigated the effectiveness of bicycle safety helmets in preventing head injury. The data consist of a random sample of 790 individuals who were involved in bicycle accidents during a specified one year period. i. Calculate the 95% confidence interval for the risk difference ii. Interpret the 95% confidence interval for the risk difference
Use the following information for parts (a) – (c): The 2 x 2 table below displays the results of a cross-sectional study that investigated the effectiveness of bicycle safety helmets in preventing head injury. The data consist of a random sample of 790 individuals who were involved in bicycle accidents during a specified one year period. i. Calculate the 95% confidence interval for the risk difference ii. Interpret the 95% confidence interval for the risk difference
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 37E
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Use the following information for parts (a) – (c):
The 2 x 2 table below displays the results of a cross-sectional study that investigated the effectiveness of bicycle safety helmets in preventing head injury. The data consist of a random sample of 790 individuals who were involved in bicycle accidents during a specified one year period.
i. Calculate the 95% confidence interval for the risk difference
ii. Interpret the 95% confidence interval for the risk difference
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