A college in the northeastern United States used SAT scores to help decide which applicants to admit. To determine whether the SAT was useful in predicting success, the college examined the relationship between SAT scores and first – year GPAs of admitted students. Below is a table with the data collected. (a) What would you predict the GPA to be for a student whose Math SAT score is 650? (b) What process of prediction did you use for part (a) ? Is this a good prediction? (c) What would you predict the GPA to be for a student whose Math SAT score is 725? (d) What process of prediction did you use for part (b)? Is this a good prediction? Math SAT Scores First – Year GPAs 509 2.6 471 2.3 700 2.4 719 3 710 3.1 643 2.9 665 3.1 719 3.3 693 2.3 701 3.3 614 2.6 557 3.3 611 2 701 3
A college in the northeastern United States used SAT scores to help decide which applicants to admit. To determine whether the SAT was useful in predicting success, the college examined the relationship between SAT scores and first – year GPAs of admitted students. Below is a table with the data collected.
(a) What would you predict the GPA to be for a student whose Math SAT score is 650?
(b) What process of prediction did you use for part (a) ? Is this a good prediction?
(c) What would you predict the GPA to be for a student whose Math SAT score is 725?
(d) What process of prediction did you use for part (b)? Is this a good prediction?
|
Math SAT Scores |
First – Year GPAs |
|
|
509 |
|
|
|
2.3 |
|
|
700 |
2.4 |
|
|
3 |
|
|
710 |
3.1 |
|
|
643 |
2.9 |
|
|
665 |
3.1 |
|
|
719 |
3.3 |
|
|
2.3 |
|
|
3.3 |
|
|
614 |
2.6 |
|
|
3.3 |
|
|
611 |
2 |
|
|
3 |
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