Use the Interceptions per Attempt (Int/Att) and Win% data for the 8 randomly selected NFL teams below to answer the following questions. (See exercise 6 on page 692 of your textbook for a similar problem.) Int/Att Win% 0.028 0.049 0.255 0.029 0.535 0.034 0.041 0.033 0.449 0.038 0.310 0.037 0.416 0.418 0.560 0.193 Question 1A Compute the IQR for Int/Att. Question 1B Compute the covariance between Int/Att and win%. 傷.eswinn 1.C

I can't understand why the data is the percentage of surveyed parents.

Trying to determine the number of students to accept is a tricky task for universities. The Admissions staff at a small private college wants to use data from the past few years to predict the number of students enrolling in the university from those who are accepted by the university. The data are provided in the following table. R F eTextbook and Media Save for Late O % 5 T O >> G H (9) 2 Number Accepted Number Enrolled Find the correlation between the number of students accepted and enrolled. Use two decimal places in your answer. & 2,440 2,800 2,720 2,360 2,660 2,620 8 6 611 K 708 637 584 614 625 ( 9 L Attempts: 0 of 1 used ) 0 P Submit Answer 56°F Cl Backspa

The correlation between midterm and final grades for 300 students is 0.620. If 5 points are added to each midterm grade, the new r will be: a. 0.124 b. 0.57 c. 0.62 d. 0.744