Question
Question 1 (10 marks) A company has developed two new versions of tests to detect COVID-19 infections in patients. The company has been testing the
Question 1 (10 marks)
A company has developed two new versions of tests to detect COVID-19 infections in patients. The company has been testing the effectiveness of the two COVID-19 tests. Researchers employed by the company performed two separate trials, one for version 1 and one for version 2 of the COVID-19 test. The tables below provide the data from the trials.
Trial of version 1 of the COVID-19 test
Had COVID-19
Did not have COVID-19
Patient tested positive
101
20
Patient tested negative
5
2000
Trial of version 2 of the COVID-19 test
Had COVID-19
Did not have COVID-19
Patient tested positive
102
40
Patient tested negative
40
2000
The company wants you to apply statistical techniques to evaluate the efficacy of each version of the COVID-19 detection test that they have developed.
1.Describe the relationship between the variables by calculating and comparing proportions for each version of the COVID-19 test. (4 marks)
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