Medical School Enrollments 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. 9.87 _ m1 _ m2 _ 219.6 Research Primary care 474 577 605 663 783 605 427 728 783 467 670 414 546 474 371 107 813 443 565 696 442 587 293 277 692 694 277 419 662 555 527 320 884 Source: U.S. News & World Report Best Graduate Schools.

STAT 2004 CHAPTER ONE: INTRODUCTION TO DATA POPULATIONS AND SAMPLES Population- Represents all people or things of interest. Sample- Observed/measured subset of a population. Data- Observations that form the backbone of a statistical investigation. Summary statistic- A single number that summarizes a large...