Question
An ophthalmologist is assessing intraocular pressures as a part of a community program for the prevention of glaucoma. An important question is how well the
An ophthalmologist is assessing intraocular pressures as a part of a community program for the prevention of glaucoma. An important question is how well the measurements made with a new portable device compare to those made with a the standard device that is used in clinical settings. Data are given below (column 1 = response usual care, column 2 = response new treatment). Patients were randomized to receiveone of the two treatments and their continuousresponse recorded. Summary data is given below. What is the p-value for testing if the means differ?
Output
| pressure | |||
|---|---|---|---|
| N | Mean | Std | |
| Treatments | 15 | 18.6 | 4.2 |
| New | |||
| Standard | 15 | 20.1 | 4.1 |
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