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For this essay, answer both essay questions using a minimum of 300 words per each essay question, 600 words total excluding the title & reference pages. A title page (no abstract) and reference page are required. Current Professional APA 7 must be used to cite sources, include running heading. Course textbooks, peer reviewed article (must have), and materials are allowed for the essay assignments. Must include a turnitin similarity report & AI report.
Assignment Name: Correlation Essay
Questions
#1.)Provide an example of a hypothetical situation in which a Pearson’s r is used. Explain how the sign and magnitude of r would contribute to a researcher’s understanding of the relationship between X and Y. Given the assumptions for use of Pearson’s r, what would a thorough data screening entail to use of (think statistical tests and data visualization)? How might a researcher attempt to decrease the risk of a Type I error while reporting several correlations? #2.)Discuss the two forms of the regression equation, raw scoreand z score, and provide examples of situations in which one would be more useful than the other. Explain how r, R, and B are related to one another in bivariate regression. Textbooks You Can Use, If Needed:
Warner, R. M. (2021). Applied statistics I: Basic bivariate techniques (3rd ed.). Thousand Oaks, CA: Sage Publications.
Warner, R. M. (2021). Applied statistics II: Multivariable and Multivariate Techniques. Los Angeles, CA: Sage Publications.
IBM Statistics Standard GradPack (to include Statistics Base, Advanced Statistics, and Regression) (Current ed.)
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