7. The best sample is one that is a. a systematic sample c. purposefully selected b. convenient d. representative This research situation refers to the next three questions: A researcher who wanted to determine the benefits of using a new beginning algebra study technique obtained permission from a school district to select 50 high school students. The researcher selected 50 beginning algebra students at random. The researcher selected 25 of these 50 students to participate in the new study program. The researcher gave a training session on traditional study techniques to the other 25 students and asked them to use these methods: 8. The most likely target population in this study is a. algebra students in the district b. all algebra students c. all students in the district d. the 25 students who learned the new study techniques 9. The method of sampling used in the study is a. cluster sampling b. convenience sampling c. simple random sampling d. stratified random sampling

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.