Educational researchers study trends in SAT scores to assess claimed differences between male and female performance on the exams.
| Year | |||||||||
Gender/Type |
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Male/Verbal | 540 | 536 | 515 | 506 | 514 | 505 | 504 | 501 | 505 | 507 |
Female/Verbal | 545 | 538 | 509 | 498 | 503 | 496 | 497 | 497 | 502 | 503 |
Male/Math | 535 | 531 | 518 | 515 | 522 | 521 | 524 | 523 | 525 | 527 |
Female/Math | 495 | 493 | 479 | 473 | 480 | 483 | 484 | 487 | 490 | 492 |
a. Plot the four separate time series and describe any trends in the separate time series.
b. Do the trends appear to be the same for males and females?
c. What differences do you observe in the plots for males and females?
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