The following data gives the number of hours 7 students spent studying and their corresponding grades on their midterm exams. Hours Spent Studying 1.5 2.5 3 3.5 4.5 5 6 Midterm Grades 69 72 78 84 87 93 96 Step 1 of 3: Calculate the correlation coefficient, r. Round your answer to six decimal places. Step 2 of 3: Determine if r is statistically significant at the 0.050.05 level. Step 3 of 3: Calculate the coefficient of determination, r2. Round your answer to three decimal places.

The following data gives the number of hours 7 students spent studying and their corresponding grades on their midterm exams. Hours Spent Studying 1.5 2.5 3 3.5 4.5 5 6 Midterm Grades 69 72 78 84 87 93 96 Step 1 of 3: Calculate the correlation coefficient, r. Round your answer to six decimal places. Step 2 of 3: Determine if r is statistically significant at the 0.050.05 level. Step 3 of 3: Calculate the coefficient of determination, r2. Round your answer to three decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 2AGP

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Question

The following data gives the number of hours 7 students spent studying and their corresponding grades on their midterm exams.

Hours Spent Studying	1.5	2.5	3	3.5	4.5	5	6
Midterm Grades	69	72	78	84	87	93	96

Step 1 of 3: Calculate the correlation coefficient, r. Round your answer to six decimal places.

Step 2 of 3: Determine if r is statistically significant at the 0.050.05 level.

Step 3 of 3: Calculate the coefficient of determination, r2. Round your answer to three decimal places.

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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