An instructor wants to see if there is a correlation between the student's grade on their first exam and their final exam score. Their data is found in the file testscores. xisx 1. Plot the data in a scatterplot and include a screenshot of your graph. 2. What is the correlation coefficient? 3. How would you describe the correlation? (direction and strength) 4. What would you tell the teacher regarding the relationship of these two variables? 5. What is a reasonable prediction for the final exam score of a student who earned an 80 on the final exam? 6. Do the results indicate that performing well on the first exam will cause a student to do better on the final exam? 7. Can you think of any plausible explanations why the data may be correlated the way they are