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II. IDENTIFICATION. Which type of sampling is used in the following: independent or related? 1. A researcher wants to find out the efficacy of a certain detergent brand in removing stains. To do this, she got a large piece of cloth and purposely stained the whole area. She then cut the cloth into two halves and the first half is treated with the detergent and the other is submerged in water. The amount of stain removed is measured after 2 hours.

II. IDENTIFICATION. Which type of sampling is used in the following: independent or related? 1. A researcher wants to find out the efficacy of a certain detergent brand in removing stains. To do this, she got a large piece of cloth and purposely stained the whole area. She then cut the cloth into two halves and the first half is treated with the detergent and the other is submerged in water. The amount of stain removed is measured after 2 hours.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 3CR
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