A drug trial had 244 participants. A survey was done to gather information about the participants' experiences with side effects. The table below gives the results for two possible side effects. Number of participants Had nausea 173 Had drowsiness 65 Had both nausea and drowsiness 48 Construct a Venn diagram illustrating these results. Then answer the questions. All participants in the survey How many participants had nausea but not drowsiness? I participants How many participants had nausea or drowsiness (or both)? Had nausea Had drowsiness participants

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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.