1. Researchers wanted to compare the efficacy of non-surgical versus surgical methods for curing cataracts. A random sample of 20 Americans with a cataract was obtained. These Americans had Extracapsular surgery performed to treat the cataract. Another random sample of 20 Americans with a cataract was obtained. These Americans used cataract eye drops to treat the cataract. Is this an example of independent or dependent samples? 2. Researchers are interested in determining the success of "non-surgical" methods for curing cata- racts. A random sample of 20 Americans was obtained that have a cataract in one eye. The subjects were paired based on the severity of the cataract. Of the pairs, one used herbs to treat the cataracts and the other used eye drops. Is this an example of independent or dependent samples?

1. Researchers wanted to compare the efficacy of non-surgical versus surgical methods for curing cataracts. A random sample of 20 Americans with a cataract was obtained. These Americans had Extracapsular surgery performed to treat the cataract. Another random sample of 20 Americans with a cataract was obtained. These Americans used cataract eye drops to treat the cataract. Is this an example of independent or dependent samples? 2. Researchers are interested in determining the success of "non-surgical" methods for curing cata- racts. A random sample of 20 Americans was obtained that have a cataract in one eye. The subjects were paired based on the severity of the cataract. Of the pairs, one used herbs to treat the cataracts and the other used eye drops. Is this an example of independent or dependent samples?

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Description: 1. Researchers wanted to compare the efficacy of non-surgical versus surgical methods for curingcataracts. A random sample of 20 Americans with a cataract was obtained. These Americans hadExtracapsular surgery performed to treat the cataract. Anothe

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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