Text book: Essentials of Biostatistics in Public Health 3rd ed.by Lisa Sullivan
Instructor provided question: An SBB instructor wants todetermine if there is a correlation between the students incomingGPA and their overall score on their ASCP exam. Several potentialconfounders were also considered including years of clinicalpractice in blood bank and gap between completing the program andtaking the exam. Perform the appropriate analysis on the data belowand interpret the results. Do SBB ASCP scores correlate withstudent’s GPAs? Do confounders exist? Justify your response.
SBB ASCP Score | GPA | BB Experience (years) | Gap (months) |
698 | 3.98 | 3 | 0.5 |
540 | 3.12 | 8 | 0.25 |
572 | 3.24 | 2 | 2 |
440 | 3.46 | 10 | 3 |
401 | 3.71 | 7 | 12 |
380 | 2.95 | 13 | 5 |
660 | 3.55 | 15 | 0.5 |
398 | 2.62 | 3 | 4 |
498 | 3.16 | 2 | 2 |
557 | 3.32 | 20 | 0.5 |
613 | 3.48 | 2 | 1 |
474 | 3.21 | 5 | 3 |
487 | 2.89 | 7 | 2 |
522 | 3.81 | 2 | 3 |
501 | 3.65 | 9 | 2 |
422 | 2.86 | 5 | 1 |
475 | 2.98 | 8 | 1 |
555 | 3.71 | 10 | 1 |
514 | 2.98 | 17 | 0.5 |
439 | 2.62 | 2 | 2 |
