Question: please do step by step ? Q.8a) Differentiate between Regression and Correlation by giving examples. b) To measure the relationship between anxiety and test performance,

please do step by step ? Q.8a) Differentiate between Regression and

please do step by step ?

Q.8a) Differentiate between Regression and Correlation by giving examples. b) To measure the relationship between anxiety and test performance, a researcher asked his students to come to the lab 15 minutes before they were to take an exam in his class. The researcher measured the students' heart rates and then matched these scores with their exam performance after they had taken the exam. (i) uvuaus me correlation Coefficient. (ii) Find the simple linear regression equation. (iii) Predict the Exam score when the Heart Beat Rate of a student is 79? (iv) Test the correlation between anxiety and test performance in the population. Use = .05

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