Please round all answers to 2 decimal places. Given the table below, use your calculator to find the Correlation Coefficient � 7.3 7.8 9.7 4.1 5.9 5 � 20.6 25.3 27.4 16 15.3 14
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Please round all answers to 2 decimal places.
Given the table below, use your calculator to find the
| � | 7.3 | 7.8 | 9.7 | 4.1 | 5.9 | 5 |
|---|---|---|---|---|---|---|
| � | 20.6 | 25.3 | 27.4 | 16 | 15.3 | 14 |
Step by step
Solved in 3 steps
- Find r2 if the correlation coefficient is 0.92. Only round your final answer to 2 decimal places.Please round all answers to 2 decimal places.Given the table below, use your calculator to find the Correlation Coefficient � 7.8 2.6 2.1 3.5 5.9 7.1 � 24.6 14.7 4.2 7.8 19.1 17.2Match the correlation coefficients with their scatterplots. Select the letter of the scatterplot below which corresponds to the correlation coefficient. (Click on image for a larger view.) B v 1. r = -0.74 с A ✓ 2. r = -0.49 3. r = -0.97 4. r = 0.76 A B D
- Use the data values in the table below to calculate the correlation between the variables x and y. Submit the link through Canvas to either a photo of your work on paper or a link to a google sheet. X 3 4 5 6 7 8 9 10 11 y 9.06 8.24 9.02 7.5 9.18 9.96 7.04 6.52 9 Give your answer to three decimal places.Please round all answers to 2 decimal places. Given the table below, use your calculator to find the Correlation Coefficient x3.44.69.3105.34.9y15.511.220.222.710.814.3 Put your answer here:Match the correlation coefficients with their scatterplots. Select the letter of the scatterplot below which corre- sponds to the correlation coefficient. (Click on image for a larger view.) ? 1. r= 0.76 ? 2. r=-0.74 ? 3. r= 0.22 ? 4. r= -0.97 A B C D
- Which of the R values below is consistent with a "perfect" correlation? a. 0.0 b. 0.5 c. -1.0 d. 0.95The following statement contains an error. Choose the statement that best explains the error. "The correlation between shoe size and height is 0.87 inches" A. Correlation requires that both of the variables be categorical B. When stating the correlation coefficient, one must state whether it is a positive or negative relationship C. This statement does not tell us whether or not shoe size is correlated with height D. When reporting correlation, one does not report units because correlation has no units E. There is no error in this statementA random sample of college students was surveyed about how they spend their time each week. The scatterplot below displays the relationship between the number of hours each student typically works per week at a part- or full-time job and the number of hours of television each student typically watches per week. The correlation between these variables is r = –0.63, and the equation we would use to predict hours spent watching TV based on hours spent working is as follows: Predicted hours spent watching TV = 17.21 – 0.23(hours spent working) Since we are using hours spent working to help us predict hours spent watching TV, we’d call hours spent working a(n) __________________ variable and hours spent watching TV a(n) __________________ variable. The correlation coefficient, along with what we see in the scatterplot, tells us that the relationship between the variables has a direction that is _________________ and a strength that is ______________________. According to the…
- Given the table below, use your calculator to find the Correlation Coefficient xx 7.1 9.6 8.9 4.5 2.9 4.4 yy 17.9 25 22.4 18.6 12.3 15.9Please round all answers to 2 decimal places.Given the table below, use your calculator to find the Correlation Coefficient xx 2.6 9.1 8.3 7.9 2.9 4.9 yy 6.2 22.9 24.2 20.1 6.1 15.8 Put your answer here:Use the data values in the table below to calculate the correlation between the variables x and y. Submit the link through Canvas to either a photo of your work on paper or a link to a google sheet. y 4 27.22 5 23.83 6 23.94 7 22.85 8 20.96 9 17.07 10 14.68 11 16.49 12 14.6 Give your answer to three decimal places.
