4. A researcher genotyped 2500 people to investigate the association between gene A+ and cases of stroke. He found that of 1578 with stroke, 1200 people had gene A+; and of the controls 500 had gene A- What is the standard error of the measure of association? O 0.88 O 1.80 O 1.09 0 0.56 O None of the above.

4. A researcher genotyped 2500 people to investigate the association between gene A+ and cases of stroke. He found that of 1578 with stroke, 1200 people had gene A+; and of the controls 500 had gene A- What is the standard error of the measure of association? O 0.88 O 1.80 O 1.09 0 0.56 O None of the above.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 3E

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Question

14. A researcher genotyped 2500 people to investigate the association between gene A+ and cases of
stroke. He found that of 1578 with stroke, 1200 people had gene A+; and of the controls 500
had gene A-
What is the standard error of the measure of association?
O 0.88
O 1.80
O 1.09
0 0.56
O None of the above.

15. A researcher genotyped 2500 people to investigate the association between gene A+ and cases of
stroke. He found that of the 1578 with stroke, 1200 people had gene A+; and of the controls 500
had gene A-
What is the lower bound of the 95% Cl for the measure of association?
0 1.15
O 2.98
0 3.15
O 1.50

Expert Solution