The following data gives the number of hours 7 students spent studying and their corresponding grades...
The following data gives the number of hours 7 students spent studying and their corresponding grades on their exams.
| Hours Spent Studying | 0 | 1 | 2 | 2.5 | 3 | 3.5 | 4.5 |
|---|---|---|---|---|---|---|---|
| Grades | 60 | 63 | 66 | 75 | 78 | 84 | 87 |
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 0.01level. (correlation is statistically significant or not)
Step 3 of 3: Calculate the coefficient of determination, r2. Round your answer to three decimal places.
Homework Answers
The statistical software output for this problem is :
correlation coefficient, r = 0.967714
correlation is statistically significant
coefficient of determination = 0.936
Add Answer to:
The following data gives the number of hours 7 students spent
studying and their corresponding grades...
The following data gives the number of hours 7 students spent studying and their corresponding grades...
The following data gives the number of hours 7 students spent studying and their corresponding grades on their exams. Hours Spent Studying 0, 3, 4, 4.5, 5, 5.5, 6 Grades 63, 66, 69, 78, 81, 87, 93. 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 0.01 level.Step 3 of 3: Calculate the coefficient of determination, r2. Round your answer to three...
The following data gives the number of hours 7 students spent studying and their corresponding grades...
The following data gives the number of hours 7 students spent studying and their corresponding grades on their midterm exams Hours Spent Studying 0 4.5 5.5 0.5 1.5 3 4 Midterm Grades 63 72 78 66 81 84 87 Step 3 of 3: Calculate the coefficient of determination, r Round your answer to three decimal places. Answer How to enter your answer
The following data gives the number of hours 10 students spent studying and their corresponding grades...
The following data gives the number of hours 10 students spent studying and their corresponding grades on their midterm exams. 1 1.5 2.5 3 3.5 4.5 5 5.5 6 Hours Spent studying 0.5 Midterm Grades 63 66 69 72 75 18 84 90 93 96 Copy Data Step 3 of 3: Calculate the correlation coefficient, r. Round your answer to three decimal places. Answer How to Enter) 2 Points "ev Tables Keypad Keyboard Shortcuts
The following data gives the number of hours 7 students spent studying and their corresponding grades...
The following data gives the number of hours 7 students spent studying and their corresponding grades on their midterm exams. Hours Spent Studying 0.5 1 2 2.5 4 5 5.5 Midterm Grades 60 66 69 78 81 87 93 Step 1 of 3 : Calculate the correlation coefficient, r. Round your answer to six decimal places.
The following data gives the number of hours 7 students spent studying and their corresponding grades...
The following data gives the number of hours 7 students spent studying and their corresponding grades on their midterm exams. 0.5 63 1 75 2 81 2.5 87 3 90 4 93 6 96 hours studying midterm grades Step 1 of 3 : Calculate the correlation coefficient, r. Round your answer to six decimal places.
The following data gives the number of hours 10 students spent studying and their corresponding grades...
The following data gives the number of hours 10 students spent studying and their corresponding grades on their midterm exams. 1 3 3.5 4.5 6 Hours Spent Studying 05 Midterm Grades 66 2 72 2.5 78 5 93 5.5 96 69 81 84 90 99 Copy Data Step 1 of 3: Draw a scatter plot of the given data
The following data give the number of hours 7 students spent studying and their corresponding grades...
The following data give the number of hours 7 students spent studying and their corresponding grades on their midterm exams. Hours Studying 0.5 0.5 1 2 2 2.5 4 Midterm Grades 66 78 78 86 90 95 99 Copy Da ev Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values bo = 69.7311 and b = 8.3106 for the calculations. Round your answer to three decimal places. Answer/How to Enter) 4 Points Keypa The following...
The following data gives the number of hours 5 students spent studying and their corresponding grades...
The following data gives the number of hours 5 students spent studying and their corresponding grades on their midterm exams 3 45 6 81 90 96 Hours Spent Studying Midterm Grades 6366 Calculate the coefficient of determination, r2. Round your answer to three decimal places. Answer How to enter your answer
The following data gives the number of hours 5 students spent studying and their corresponding grades...
The following data gives the number of hours 5 students spent studying and their corresponding grades on their midterm exams. 1 Hours Spent Studying 0 Midterm Grades Copy Data Calculate the correlation coefficient, r. Round your answer to three decimal places.
The table below gives the number of hours ten randomly selected students spent studying and their...
The table below gives the number of hours ten randomly selected students spent studying and their corresponding midterm exam grades. Using this data, consider the equation of the regression line, yˆ=b0+b1x, for predicting the midterm exam grade that a student will earn based on the number of hours spent studying. Keep in mind, the correlation coefficient may or may not be statistically significant for the data given. Remember, in practice, it would not be appropriate to use the regression line...
The following data gives the number of hours 7 students spent studying and their corresponding grades on their midterm exams Hours Spent Studying 0 4.5 5.5 0.5 1.5 3 4 Midterm Grades 63 72 78 66 81 84 87 Step 3 of 3: Calculate the coefficient of determination, r Round your answer to three decimal places. Answer How to enter your answer
The following data gives the number of hours 10 students spent studying and their corresponding grades on their midterm exams. 1 1.5 2.5 3 3.5 4.5 5 5.5 6 Hours Spent studying 0.5 Midterm Grades 63 66 69 72 75 18 84 90 93 96 Copy Data Step 3 of 3: Calculate the correlation coefficient, r. Round your answer to three decimal places. Answer How to Enter) 2 Points "ev Tables Keypad Keyboard Shortcuts
The following data gives the number of hours 10 students spent studying and their corresponding grades on their midterm exams. 1 3 3.5 4.5 6 Hours Spent Studying 05 Midterm Grades 66 2 72 2.5 78 5 93 5.5 96 69 81 84 90 99 Copy Data Step 1 of 3: Draw a scatter plot of the given data
The following data give the number of hours 7 students spent studying and their corresponding grades on their midterm exams. Hours Studying 0.5 0.5 1 2 2 2.5 4 Midterm Grades 66 78 78 86 90 95 99 Copy Da ev Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values bo = 69.7311 and b = 8.3106 for the calculations. Round your answer to three decimal places. Answer/How to Enter) 4 Points Keypa The following...
The following data gives the number of hours 5 students spent studying and their corresponding grades on their midterm exams 3 45 6 81 90 96 Hours Spent Studying Midterm Grades 6366 Calculate the coefficient of determination, r2. Round your answer to three decimal places. Answer How to enter your answer
The following data gives the number of hours 5 students spent studying and their corresponding grades on their midterm exams. 1 Hours Spent Studying 0 Midterm Grades Copy Data Calculate the correlation coefficient, r. Round your answer to three decimal places.
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