I am confused about the following problem. Could someone help me out?
In a statistic class, the average score of midterm is 75 and the SD is 8. The average score of final is 65 and the SD is 12. The scatter diagram of the two variables (midterm/final scores) is football shaped. The correlation between the two variables is 0.65. The regression line for estimating final based on midterm is drawn through the scatter.
A student who got 70 in the midterm is estimated to get X1 in the final, and the SD of this estimation is Y1.
What is X1? Y1?
Could anyone give me the answer and explain why?