Adding computerized medical images to a database promises to provide great resources for physicians. However, there are other methods of obtaining such information, so the issue of efficiency of access needs to be investigated. An article reported on an experiment in which 13 computer-proficient medical professionals were timed both while retrieving an image from a library of slides and while retrieving the same image from a computer database with a Web front end. Subject 1 2 3 4 5 6 7 8 9 10 11 12 13 Slide 31 34 40 25 20 29 35 63 40 51 26 41 32 Digital 24 15 16 14 10 19 6 15 15 12 10 18 18 Difference 7 19 24 11 10 10 29 48 25 39 16 23 14 Estimate the difference between true average times for the two types of retrieval in a way that conveys information about precision and reliability. (Use μslide − μdigital. Use a 95% confidence level. Round your answers to two decimal places.)
Adding computerized medical images to a database promises to provide great resources for physicians. However, there are other methods of obtaining such information, so the issue of efficiency of access needs to be investigated. An article reported on an experiment in which 13 computer-proficient medical professionals were timed both while retrieving an image from a library of slides and while retrieving the same image from a computer database with a Web front end. Subject 1 2 3 4 5 6 7 8 9 10 11 12 13 Slide 31 34 40 25 20 29 35 63 40 51 26 41 32 Digital 24 15 16 14 10 19 6 15 15 12 10 18 18 Difference 7 19 24 11 10 10 29 48 25 39 16 23 14 Estimate the difference between true average times for the two types of retrieval in a way that conveys information about precision and reliability. (Use μslide − μdigital. Use a 95% confidence level. Round your answers to two decimal places.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
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Adding computerized medical images to a database promises to provide great resources for physicians. However, there are other methods of obtaining such information, so the issue of efficiency of access needs to be investigated. An article reported on an experiment in which 13 computer-proficient medical professionals were timed both while retrieving an image from a library of slides and while retrieving the same image from a computer database with a Web front end.
| Subject | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Slide | 31 | 34 | 40 | 25 | 20 | 29 | 35 | 63 | 40 | 51 | 26 | 41 | 32 |
| Digital | 24 | 15 | 16 | 14 | 10 | 19 | 6 | 15 | 15 | 12 | 10 | 18 | 18 |
| Difference | 7 | 19 | 24 | 11 | 10 | 10 | 29 | 48 | 25 | 39 | 16 | 23 | 14 |
Estimate the difference between true average times for the two types of retrieval in a way that conveys information about precision and reliability. (Use μslide − μdigital. Use a 95% confidence level. Round your answers to two decimal places.)
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