Source: MyStatLab for Introductory Statistics: exploring the world through data, 1st ed, 2013, Pearson Education, Inc: “data sets from your textbook” Chapter 2 Case Study. Data set described on p
Description: The data in this table were collected from some schools that award four-year degrees for use in comparing the student-to-teacher ratio between private colleges and public colleges. The data are for the 2004-2005 academic year; 85 private colleges and 57 state-supported (public) colleges were sampled. Each ratio was rounded to the nearest whole number for simplicity (from description on pp. 35-36 of Introductory Statistics: exploring the world through data)
There is no assumption that the numbers of public and private schools in the sample are proportionate with the numbers in the population. The data are from the 2006 World Almanac and Book of Facts, and are assumed to have been copied into the data set by the textbook authors, Robert Gould and Colleen Ryan, or by the publisher.
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