1 What Conditions Should You Check To Perform A Linear Regression Answer In The Next Question Just List Them You Do 1 (40.99 KiB) Viewed 20 times
1 What Conditions Should You Check To Perform A Linear Regression Answer In The Next Question Just List Them You Do 2 (16.02 KiB) Viewed 20 times
1. What conditions should you check to perform a linear regression? (Answer in the next question. Just list them. You don't need to check) 2. How many degrees of freedom are there? Select (Pick: weak 3. How would you describe the relationship between rainfall and yield? Select or moderate/strong positive or negative) 4. Find the slope. Select 5. How many bushels of wheat per acre can be predicted if it is expected that there will be 25 inches of rain? Select) (Round the predicted yield to the nearest tenth of a bushel per acre.) 6. What is the correlation coefficient? Select (enter three decimal places) 7. What is R2? Select 8. The interpretation of R2 is: [Select] 9. Do the data provide strong evidence that rainfall is associated with an increase in yield? (type out your answer in the next question) 9a) State the null and alternative hypotheses, 9b) The p-value is 9c) The result of this hypothesis test is:
Question 9 14 pts In an area of Russia, records were kept on the relationship between the rainfall (in inches) and the yield of wheat (bushels per acre). The data for a 9 year period is as follows: 11.4 21.4 12.9 9.6 18.2 Rainfall, x 13.1 Yield, y 48.5 16.0 56.8 15.1 80,4 46.2 67.2 18.6 176.8 29.9 30.1 74
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