Use the Following Data for the Next Questions

question 12

Short Answer

Use the following data for the next questions. Ophthalmologists studying the treatment of using an infrared laser procedure in ten patients with vision loss caused by dry age-related macular degeneration (AMD) found the following data on visual acuity (VA) before and after the procedure. Assume a .05 significance level to test the claim that there is a difference between the number of VA lines that can be read by individuals before and after the procedure. Also, assume the data consist of matched pairs, the samples are simple random samples, and the pairs of values are from a population having a distribution that is approximately
normal.
-Find of visual acuity lines read.

---

Definitions:

Fractions

Portions of a whole number, symbolized by two integers separated by a slash, with one part representing a portion of the whole.

Whole Numbers

Numbers without fractions or decimals; positive integers including zero.

Lowest Terms

The most reduced form of a fraction, where the numerator and denominator are at their smallest whole number ratio.

Fractions

Represents parts of a whole or a collection, expressed with different numbers on the top (numerator) and bottom (denominator) of a slash or line.