Question: Read and understand the situation given below. Answer the questions that follow. The intelligence test scores and freshmen physics grades of a group of students

Read and understand the situation given below. Answer the questions that follow. The intelligence test scores and freshmen physics grades of a group of students are given below. STUDENT INTELLIGENCE PHYSICS SCORE (X) GRADE ( 65 85 50 W N - 74 55 76 65 90 55 85 70 87 65 94 70 98 55 81 10 70 91 11 50 76 12 55 74 1, Correlation a. Compute the coefficient of correlation r. Show your complete solution. b. Interpret the results in terms of strength and direction of correlation, 2. Regression a. Test the significance of r, (Include null/alternative hypothesis, complete solution, and interpretation of results) of= 0.05 b. Determine the regression line that will predict the physics grade if the intelligence score is given. c. Predict the grade in physics If the intelligence score is 52

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