A random sample of enrollments from medical schools that specialize in research and from those that are noted for primary care is listed. Find the 90% confidence interval for the difference in the means.

a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.

Transcribed Image Text:

Research 474 577 605 663 783 467 670 414546 474 371 107 813 443 565 696 692 694 277 419 884 Primary care 783 605 427 728 442 587 293 277 662 555 527 320